Malicious PDF — malware analysis report

Static analysis result for SHA-256 f631b79aff6c1243…

MALICIOUS

PDF

112.6 KB Created: 2021-10-18 12:18:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: a3c1a22c6f04e36743959d5ec8f36f72 SHA-1: c4ed1af01196480d6d4bf36096535701b39d4e75 SHA-256: f631b79aff6c12430687736c8a6037513e15b87bca67f81ff87cc03680a301d0
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains multiple embedded URLs, several of which are unknown and likely lead to further malicious content. The presence of these unknown URLs suggests an attempt to trick the user into downloading a malicious payload, consistent with a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5789

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://happycolaborativo.com/uploads/files/72969364892.pdf In PDF document text
    • http://megalaserasia.com/upload///4060920313.pdfIn PDF document text
    • http://strahovka66.ru/userfiles/file/16451161080.pdfIn PDF document text
    • http://dietetyka-24.pl/images/files/mujux.pdfIn PDF document text
    • https://eastmangroupllc.net/ckfinder/userfiles/files/biroj.pdfIn PDF document text
    • http://marcth.pl/media/fck/file/83483177782.pdfIn PDF document text
    • http://panel2conso.com/userfiles/file/51849739652.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/7xhmvLXWVJc/uplcv?utm_term=bloodlust+geometry+dash+songPDF link annotation

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