Flagged in the threat library: easypdfviewer.net

Our analysis confirmed the behaviour described in the threat library entry. Do not install it. Read the analysis and indicators →

Also reported by malext.io

Chrome Web Store

Easy PDF Viewer

by [email protected] · 50.0K users
b0614007-b22f-52b8-85ae-710fd934b72e | v1.0.0.0
46/ 100
MEDIUM risk
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
1 months ago
Version
v1.0.0.0
Artifact
SHA256 9C6…C5E
Source
Findings (non-IoC)

Evidence ledger

Ranked by severity · findings with a source location link to the code viewer

7 detail rows

YARA Rule Matches

5 rules
SeverityRuleHitsFilesMetadata
LOWpostinstall crypto operations 2
_metadata/verified_contents.jsonsrc/js/background.js
-
LOWpostinstall file manipulation 1
src/js/background.js
-
LOWpostinstall file download 1
src/js/background.js
-
LOWNoUseWeakRandom 1
src/js/background.js
-
LOWpostinstall persistence mechanism 1
src/js/background.js
-

Publisher Evidence

Limited evidence

[email protected]

Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.

Chrome does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.

35
Noisy-finding weight
x1.00
Publisher domain
No domain
Missing
Store verification signal
Limited signal
Limited
Extension portfolio
1
Portfolio

13 evidence rows available.

Finding Categories

1
Network
7
IoC Indicators

YARA Rules Matched

5 rules(6 hits)
postinstall crypto operations postinstall file manipulation postinstall file download NoUseWeakRandom postinstall persistence mechanism

Requested Permissions

3 permissions
cookies

Read and modify cookies on all sites

High
storage
Low
https://easypdfviewer.net/*
Low

Security Analysis Summary

Security Analysis Overview

Easy PDF Viewer is a Chrome Web Store extension published by [email protected]. Version 1.0.0.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 45.54/100 (MEDIUM risk) based on 14 security findings.

Risk Assessment

This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.

Findings Breakdown

  • Medium: 8 finding(s)
  • Low: 6 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

Easy PDF Viewer is published by [email protected] on the Chrome Web Store marketplace. The extension has approximately 50K users.

Recommendation

Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.

About This Extension

Bring simplicity to viewing and converting PDFs right from your browser! Easy PDF Viewer enhances your browsing experience by setting your default search to easypdfviewer.net, powered by Yahoo, making it effortless to view, convert, and manage PDF files. Tired of complicated software or cumbersome processes for converting PDFs? Easy PDF Viewer provides instant access to user-friendly tools for viewing and converting documents directly from your search bar. Key Features: Effortless PDF Viewing – Quickly open and read PDFs directly in your browser without needing extra software. Seamless Conversion – Convert PDFs to and from various formats including Word, Excel, JPG, and more with just a few clicks. Search-Integrated Results – Conveniently integrated PDF viewing and conversion tools built into your everyday web searches. High-Quality Outputs – Receive crisp, accurate conversions that maintain the quality and formatting of your original documents. Versatile Format Support – Handle multiple document formats easily, streamlining your workflow and productivity. From documents and reports to images and presentations, Easy PDF Viewer brings intuitive PDF management right into your browsing experience. View our Privacy Policy here: https://easypdfviewer.net/privacy.html

Frequently Asked Questions

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