Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbb677505778e870…

MALICIOUS

PDF

48.4 KB Created: 2021-09-17 09:46:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14
MD5: 8c7cd942807dd94aa547508fe83f9ceb SHA-1: 8b21af4d23394cef1a22fc95a0f6adc8c1f4d5a1 SHA-256: dbb677505778e870e5355803192265e3209cc2e2b7d75e6e625a9bcdb9300655
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ClamAV heuristic identified this PDF as a phishing trojan. Static analysis revealed multiple embedded URLs pointing to external websites, suggesting a phishing or credential harvesting attempt. The PDF_URI heuristic specifically flagged an external URI, indicating the document's intent to redirect users to potentially malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4797

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://medvor.ru/uplcv?utm_term=the+lottery+by+shirley+jackson+summary+pdf PDF link annotation
    • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcda03abd9---dikutuvigubotobofip.pdfIn PDF document text
    • http://intimatehotelpattaya.com/image/upload/File/57581689274.pdfIn PDF document text
    • http://jonkmp.nl/img/cms/file/nubimetimoxamegufevufumuk.pdfIn PDF document text
    • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161422e4a9b3b9---67755541543.pdfIn PDF document text
    • http://irvinenott.co.uk/ckfinder/userfiles/files/96756006083.pdfIn PDF document text

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