Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f44ea5c16acc14f…

MALICIOUS

PDF

35.9 KB Created: 2021-07-18 02:50:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 139dfdc32485e06e4310520a0188041e SHA-1: 4b383891f31657f25f5f5b762c6bdfddcc4c0fd4 SHA-256: 4f44ea5c16acc14fd7441ea975af8ff9ec7916e9f48863010d90d6a4353ec8be
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains embedded URLs that likely lead to malicious content, and the document structure suggests it's designed to trick users into interacting with a link. No scripts were extracted, limiting the analysis of specific execution behaviors.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7335

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://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/c19b76d6e5b37332cf8ad0b6ad9a95ba/46129500177.pdf
    • https://sunnyvale.com/wysiwygfiles/file/25830986410.pdf
    • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085351c28957---juped.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=windows+10+download+for+chromebook

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