Malicious PDF — malware analysis report

Static analysis result for SHA-256 a305c2c2b402c5a4…

MALICIOUS

PDF

35.6 KB Created: 2020-11-22 18:45:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bdc848df1ae33114d436fd83cd760bfb SHA-1: b9d88dbe20d556036bcbfd59221ce5be6aed4240 SHA-256: a305c2c2b402c5a43c775f2f432d57ac004539c1c2ea39b6cbc53f33c5fb7906
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was identified as malicious by ClamAV and an ML classifier, and heuristics indicate it's an image-only lure. The embedded URL, https://traffnew.ru/aws?utm_term=acr+bi+rads+atlas+free, is likely the destination for the phishing attempt. The PDF structure and content suggest it's intended to trick users into clicking through to a malicious site, aligning with spearphishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5505

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://traffnew.ru/aws?utm_term=acr+bi+rads+atlas+free

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