Malicious PDF — malware analysis report

Static analysis result for SHA-256 c82a391840b2009b…

MALICIOUS

PDF

58.4 KB Created: 2021-01-06 07:33:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9d2f147e0dcb8a4238bbaaac7e9126c7 SHA-1: 71aca21eafc7116d4933576af66d8e248279f3b5 SHA-256: c82a391840b2009b1b4cc94621c38b6719712342533fb79566689c878270eb06
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a phishing lure. The 'PDF_IMAGE_LURE' heuristic indicates it's an image-based document with a clickable action, designed to deceive users. The embedded URL, 'https://trafffe.ru/aws?utm_term=dunelm+mattress+sheets', is the primary indicator of compromise, likely serving as a gateway to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7169

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 58 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=dunelm+mattress+sheets

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