Malicious PDF — malware analysis report

Static analysis result for SHA-256 dff6c5a935f9e903…

MALICIOUS

PDF

81.7 KB Created: 2021-07-08 07:54:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 2976358c12cc7c439030c45b6facc473 SHA-1: 778c8d6664dcea123182a8f4d44d3a23ab125e45 SHA-256: dff6c5a935f9e903edb01b4b2b85ba53af8468df0fb98b75eabba9ed4d3dcdc7
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier. It contains an embedded URL pointing to 'allytemp.ru', which is likely used for phishing or to download a secondary payload. The PDF structure and the presence of an external URI suggest an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6005

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://allytemp.ru/uplcv?utm_term=blurry+vision+after+cross+linking PDF link annotation

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