Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd96dc50f70acaac…

MALICIOUS

PDF

48.0 KB Created: 2021-09-09 11:34:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: e1c6f72f48dc5c8bce301aab75135a05 SHA-1: a8c24b582b9377fa17c1270083d45b6a0ff036e2 SHA-256: fd96dc50f70acaacd5afc4d618b67e96df4014180d131b3333c3a5f6cb599396
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as a malicious PDF by ClamAV and an ML classifier. It contains embedded URLs that likely lead to further malicious content, suggesting a phishing or malware distribution attempt. The presence of an external URI heuristic further supports the malicious intent of directing users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5438

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://windsbs.biz/files/file/falaxudomomigumedofit.pdf In PDF document text
    • http://koreaseals.com/ckfinder/userfiles/files/88928813737.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=kite+runner+graphic+novel+pdfPDF link annotation

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