Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac2921ba3ee62dd0…

MALICIOUS

PDF

103.5 KB Created: 2021-07-03 21:41:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: f92d380048dc243e3a28a14055aabff5 SHA-1: ea24ac8135a2b9f1166f132d32ceb10f5ecbc24a SHA-256: ac2921ba3ee62dd08a968647202d76c8874fa17ebf1fedfa68bf5af859c0ceee
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URI pointing to an external URL, which is a common technique for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and the presence of external URLs suggest an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9470

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://irlanc.ru/uplcv?utm_term=early+signs+of+ataxia PDF link annotation
    • https://vishalahospitality.com/ckfinder/userfiles/files/jimodirofalerero.pdfIn PDF document text
    • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/00b353c86d458681f3d456f706473b90/farowabutukamaxo.pdfIn PDF document text
    • https://forumhrdbekasi.com/webroot/userfiles/files/xizanopar.pdfIn PDF document text
    • https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/d1goq97rvg2d6ht5p74g86od9s/51942036057.pdfIn PDF document text

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