Malicious PDF — malware analysis report

Static analysis result for SHA-256 93a4fa0f3817ad53…

MALICIOUS

PDF

47.7 KB Created: 2021-09-10 21:23:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 41ad765737b115bc3785c3c8683a34ab SHA-1: 27c5f9e47e401901b559f1c53a4eb21da715283c SHA-256: 93a4fa0f3817ad539a156b7a2fc618a7fff1d3cee5d08432eb2646eed629e92e
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded URLs that likely lead to the download of further malicious content. The presence of PDF_URI and EMBEDDED_URL heuristics further supports the attack pattern of luring users to external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5497

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://synerhu.ru/uplcv?utm_term=tutuapp+new+version+download+ios PDF link annotation
    • http://togclick.com/media/userFckfiles/file/mutesikovuz.pdfIn PDF document text
    • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/fbf36880a1f74755c901e1fb2d0a1ba6/totogedigibugixukanolepav.pdfIn PDF document text

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