Malicious PDF — malware analysis report

Static analysis result for SHA-256 925a6c9112f0b204…

MALICIOUS

PDF

35.6 KB Created: 2021-03-30 16:16:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b0f8fd327e35299c3275685422152d03 SHA-1: 5d5b27326eee195fbd82e3b12e2f933e9bf52512 SHA-256: 925a6c9112f0b204136728477ff718d9d81b5dde4029ba88659c1b8632444f6f
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a phishing lure. It contains an embedded URL that likely leads to a malicious site. The PDF structure suggests it's an image-based lure, typical for phishing campaigns aiming to trick users into clicking through to a compromised website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6891

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://bologen.ru/aws?utm_term=sta-rite+pump+basket+c8-58p
    • http://leseweremizew.scienceontheweb.net/esporos_bacterianos.pdf

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