Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ceb772987f498a0…

MALICIOUS

PDF

39.1 KB Created: 2021-08-20 10:50:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 71fb43055971489dfc71cbb9d291d3f4 SHA-1: 4b0c548dd1f220800b4957612620eaf6b0f903ed SHA-256: 8ceb772987f498a0dec7d0e56abf4261ae2558499f1d2bdd88312b01ff8fef2b
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure due to its image-only nature and embedded clickable link. The ClamAV detection and heuristic firings strongly indicate malicious intent. The embedded URL points to a suspicious domain, likely serving as a landing page for a phishing attack or to download further malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3262

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 39 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://irlanc.ru/uplcv?utm_term=does+va+allow+a+non+occupant+co-borrower PDF link annotation

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