Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbdf43852e504628…

MALICIOUS

PDF

40.1 KB Created: 2021-09-07 05:35:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: c65935da397c02a65caed11972ea03fd SHA-1: a664b5d30e2d19afba15231a946920782127eb17 SHA-256: fbdf43852e504628ad057152df055221da315d49fb64f2efd1d993e6b0c99da4
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a 'Pdf.Phishing.Trojan' signature. It contains an embedded URI pointing to a URL that appears to be related to combining PDFs, which could be a lure. Although no scripts were extracted, the presence of an external URI in a malicious PDF strongly suggests an attempt to redirect the user to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3273

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://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=combining+pdfs+in+foxit PDF link annotation

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