Malicious PDF — malware analysis report

Static analysis result for SHA-256 bba153e0bb328e05…

MALICIOUS

PDF

137.2 KB Created: 2021-07-20 00:58:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 24a20950d51ee89789bdd32bdac3caf4 SHA-1: 5265e98f0317383662b05d539a2d3aa6f80cfb68 SHA-256: bba153e0bb328e053099aa3cab2be820e45405a82a7c93bb624bd66fd466a36d
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating phishing and trojan characteristics. It contains an embedded URI that points to a URL disguised as a document download, likely to trick users into visiting it. The PDF metadata indicates it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, which could be leveraged to mask malicious intent.

Machine Learning

  • Nyx PDF Classifier clean score 0.2301

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=redhat+linux+6+administration+guide+pdf PDF link annotation

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