Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7d6e77734a0a3cc…

MALICIOUS

PDF

41.6 KB Created: 2020-11-25 15:03:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 08e547d678d36acae944052331ab5358 SHA-1: f60dd3bd3af3d62269366ef40573fd15d8ebd4f2 SHA-256: e7d6e77734a0a3ccc32c0e72c0160e455c9d5e9455fc9d8752019e57e5bf9a44
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. It employs an image-only lure, a common tactic for phishing or malware distribution, prompting the user to click an embedded URI. The heuristic 'PDF_IMAGE_LURE' indicates the document is designed to trick users into interacting with a hidden link, which in this case points to 'https://trafffe.ru/aws?utm_term=betta+fish+wallpaper+hd'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5579

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 41 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://trafffe.ru/aws?utm_term=betta+fish+wallpaper+hd

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