Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b1df3d88ee76af5…

MALICIOUS

PDF

71.7 KB Created: 2021-07-23 13:30:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: ea18ad35b6af671b87644b42c52c1cfc SHA-1: 821d0ce479eb58ffabaec9ea1b3703d8c6a5b4e2 SHA-256: 4b1df3d88ee76af5dcf6b4aa6ad18417adbbccd5e459221b275d6657642890e8
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as a PDF and contains an embedded URI that points to a potentially malicious URL. ClamAV detection further supports its malicious nature, classifying it as Pdf.Phishing.Trojan. The presence of an embedded URI suggests an attempt to lure the user to a phishing site, likely as part of a spearphishing campaign.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4916

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/cv9VXjIrmdE/uplcv?utm_term=2020+independent+candidates PDF link annotation

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