Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6d9faaca072302c…

MALICIOUS

PDF

41.5 KB Created: 2021-09-11 21:37:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-21
MD5: 9f4d30e980ec5f62ccdb472ecfad049f SHA-1: 50f9c06a6cb695e46237fe20bd84c1711b1becb1 SHA-256: d6d9faaca072302cce5e13d0c6bd86e1646114b7d28e81a4748a10657b0ab128
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific signature indicating phishing and trojan behavior. An external URI pointing to 'smidgel.ru' was extracted, suggesting a redirection to a malicious site. While no scripts were explicitly extracted, the PDF structure and the presence of embedded URLs indicate an attempt to trick the user into visiting a potentially harmful external resource.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4448

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://smidgel.ru/uplcv?utm_term=my+partner+quotes PDF link annotation
    • https://tl-systems.hu/files/files/nowat.pdfIn PDF document text
    • http://chunmianxian.com/upfolder/e/files/20210906075554.pdfIn PDF document text
    • http://ordineveterinarireggioemilia.it/userfiles/files/visumibibevulus.pdfIn PDF document text

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