Malicious PDF — malware analysis report

Static analysis result for SHA-256 be61d4183e55a730…

MALICIOUS

PDF

35.6 KB Created: 2021-04-06 16:05:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 4aeb4dda58804e7470e2173b48b13805 SHA-1: 5c2b428bd7e1cf2837bc5981519a2aaa8b6f6e14 SHA-256: be61d4183e55a7307f2c375745d3aca0ce01f64351356246851af57f0ea9bb9a
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7155

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 35 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://dafemum.ru/aws?utm_term=el+islam+que+es PDF link annotation
    • http://kowojolajamuv.getenjoyment.net/how_to_use_a_king_in_checkers.pdfIn PDF document text
    • https://s3.amazonaws.com/satudifin/frozen_movie_songs_ming.pdfIn PDF document text

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