Malicious PDF — malware analysis report

Static analysis result for SHA-256 542047072fc6dfc8…

MALICIOUS

PDF

40.7 KB Created: 2021-07-25 21:42:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 89df9c20c826c664427cf01f3a2eaf15 SHA-1: 3f924c123c703f57c0a875e8ba80057bbdc61f58 SHA-256: 542047072fc6dfc80f62bac511995e55c590a121328607289b6007b9008d958d
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure due to its small size, image-heavy content, and embedded clickable link. The ClamAV detection further supports its malicious nature. While no scripts were extracted, the structure suggests it's designed to redirect the user to a potentially malicious URL.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3406

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 40 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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/fzgW7-mxBc0/uplcv?utm_term=business+21st+century+book+robert+kiyosaki+pdf

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