Kupdf.net Scam Check: Blacklist Warning

August 19, 2026 at 4:09 AM

Suspicious Website

What users say (1)

Checked by Website Reputation Checker

Table of Contents

Danger Zone

Risky Territory

Caution Advised

Trusted but Verify

Safe & Secure

Kupdf → Safety Check

First checked August 5, 2025 at 10:58 PM

Website content and technical signals analyzed

Method: automated checks.

Suspicious Website Gridinsoft currently classifies this site as Suspicious Website. The report highlights 2 blacklist detections. These risks are driven by active warning signals despite the site's longer domain history.

Figure 1. Trust signal radar for kupdf.net. Larger shaded area indicates stronger trust signals.

How we scored kupdf.net

Tech signals:

Cloudflare Browser Insights, Facebook Integration

Negative signals:

security-provider warnings
a malware or phishing blacklist detection (1)
a low third-party reputation score
unclear social-profile authenticity

Positive signals:

a long-term domain history (8.2 years)
an active SSL certificate (3 months)
presence in public traffic rankings

35 /100

Trust Score

8.2 years

Domain Age

Location

External provider warnings

Reviews

Last checked August 19, 2026 at 4:09 AM by Gridinsoft Trust Model v2.5.2

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What is Kupdf?

According to its current page title, kupdf.net presents itself as “KUPDF - Free document sharing platform - Upload and share”. The sections below evaluate the site-specific reputation and technical findings.

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This domain was registered June 21, 2018 at 4:27 PM through the company NameCheap, Inc. and ownership information is not publicly available.

For complaint

Is kupdf.net safe?

Use caution with kupdf.net. Its current Gridinsoft trust score is 35/100; review the site-specific findings below before use. User feedback is also available in the report.

What are the risks of kupdf.net?

We have received 1 negative user reports about this website.

Why is kupdf.net marked "Suspicious Website"?

Gridinsoft's current assessment of kupdf.net is based on unverified social-link signals and low third-party reputation score. The listed status means the domain currently appears in Gridinsoft's own Threat List; it is not a consensus of external providers. 2 of 28 publicly displayed security sources report a warning.

Gridinsoft Anti-Malware

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Registration Form

Automated page analysis detected form or data-entry functionality on kupdf.net. Forms can involve user-submitted information, so verify ownership and privacy terms before entering data.

Cookie Consent

This site implements a cookie-consent interface for managing tracking and data-collection preferences.

Fake Social Media Links - Risk

kupdf.net: Automated analysis found social media icons or links that did not lead to recognizable public profiles. This can result from outdated, incomplete, or template-based content. Check the links directly before relying on them to confirm the site's public presence.

Google Tag Manager

This website uses Google Tag Manager to add and update tracking tags on its website.

Cloudflare Browser Insights

This website is proxied through Cloudflare's CDN/network and has Cloudflare Browser Insights enabled.

Facebook Integration

jQuery Library

Established Domain

kupdf.net has maintained active domain presence over time, indicating operational continuity.

Listed by Gridinsoft

Gridinsoft Internet Security classified this site as unsafe. As a VirusTotal partner, our detections contribute to broader protection across tools and browsers.

Low Scamadviser Score

Independent security assessment from Scamadviser indicates this site has received a low trust rating, suggesting potential security risks or operational concerns requiring user caution.

External provider warnings: 2/28 Suspicious Website

This section shows what independent external security sources say about this site.

A warning appears when one or more sources report malware, phishing, abuse, or other safety concerns. Each row shows the source and its verdict.

If no source reports a warning, the site is shown as clear in this section.

Chong Lua Dao

Malicious

Scamadviser

Warned

External provider results for Kupdf.net, last checked August 19, 2026. — VirusTotal

Domain Information

Created June 21, 2018 at 4:27 PM Updated: May 22, 2026 at 8:21 AM · Expires: June 21, 2027 at 4:27 PM

Domain Age 8.2 years

Registrar NameCheap, Inc. IANA ID: 1068

Abuse Email [email protected]

Domain Status Client Transfer Prohibited DNSSEC: UNSIGNED

Top Level Domain .net Generic TLD

Technical Details

IP Address 172.67.130.18

Hosting Provider Cloudflare, Inc. San Francisco, California, US · Hosting Provider · Anycast

Network AS13335 - Cloudflare, Inc. Hosting

SSL Certificate WE1 QUIC · Valid for: 3 months · from August 10, 2026 at 5:42 AM · to November 8, 2026 at 6:42 AM

Name Servers apollo.ns.cloudflare.com
jean.ns.cloudflare.com

Content Analysis

Website title KUPDF - Free document sharing platform - Upload and share

Website description Open document sharing platform, share your knowledge and live with others

Primary Language

Mentioned hosts (7)

connect.facebook.net www.googletagmanager.com www.facebook.com ad.a-ads.com www.google-analytics.com static.cloudflareinsights.com kupdf.net

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.

Registration Form Cookie Consent Fake Social Media Links - Risk jQuery Library

Security Fingerprint Unique identifier based on site analysis

mockingbird-queen-aspen-twelve

How to block Kupdf.net?

Our Anti-Malware can automatically block access to kupdf.net if it is flagged as malicious.

Install and run the protection.
The program will block flagged domains and remove related threats.

Exclusion

If you believe kupdf.net is safe, you can add it to the exclusion list:

Open Gridinsoft Anti-Malware → Tools → Ignore List.
Go to the Internet tab and add kupdf.net.

See detailed instructions for more options.

Are You the Owner?

If you own Kupdf.net and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.

Reviews for Kupdf

Ellen Elman

Jul 16, 2026

Despite several notices and dmca, KUPDF has continued to infringe my copyright for 8 years. They hide their identity and continue to post my book for free via WOMBATEN. They are criminals and should b e reported.

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Your score for kupdf.net

5 4 3 2 1