Malicious PDF — malware analysis report

Static analysis result for SHA-256 78819221dff0f455…

MALICIOUS

PDF

51.2 KB Created: 2020-11-27 10:36:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5918e16a30e2749350b977aa087355e7 SHA-1: 0cc83267ac81d2f7207854c62053daf7286d7e76 SHA-256: 78819221dff0f45599626195eab61a37d1dfed6107e634030353a82464f81c81
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-only nature and a clickable link. The embedded URL, https://trafffe.ru/aws?utm_term=el+chorro+climbing+guidebook, is likely used to redirect the user to a malicious site. ClamAV detection further supports its malicious classification as Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6121

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 51 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=el+chorro+climbing+guidebook

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