Kupdf.net Scam Check: Blacklist Warning

October 18, 2026 at 4:19 PM

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

Content analysis not available

Method: automated checks.

Suspicious Website Gridinsoft currently classifies this site as Suspicious Website. The report highlights 1 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.

Positive signals:

a long-term domain history (8.3 years)
an active SSL certificate (3 months)
presence in public traffic rankings

Negative signals:

security-provider warnings
a malware or phishing blacklist detection (1)

35 /100

Trust Score

8.3 years

Domain Age

Location

External provider warnings

Reviews

Last checked October 18, 2026 at 4:19 PM by Gridinsoft Trust Model v2.5.7

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What is Kupdf?

Kupdf.net is evaluated here using its current reputation and technical signals. The report below separates risk findings, positive indicators, and contextual information.

This domain was registered June 21, 2018 at 4:27 PM through the company NameCheap, Inc. (Personal information withheld).

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 search indexing restrictions. The listed status means the domain currently appears in Gridinsoft's own Threat List; it is not a consensus of external providers. 1 of 27 publicly displayed security sources report a warning.

Gridinsoft Anti-Malware

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DDoS Protection

The website implements Distributed Denial-of-Service (DDoS) protection services to defend against malicious traffic attacks and ensure service availability. DDoS protection indicates this site prioritizes operational security and service reliability.

Index Disabled

The site this site is configured with a noindex, nofollow rule, so search engines ignore it and its links. While this can be intentional, it also prevents the site from appearing in search results.

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.

External provider warnings: 1/27 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

External provider results for Kupdf.net, last checked October 18, 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 8.3 years

Registrant Personal information withheld Protected by Gridinsoft

Registration country United States

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

HTTP status 403

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 TLSv1.3 · Valid for: 3 months · from October 8, 2026 at 6:46 AM · to January 6, 2027 at 7:44 AM

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

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

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