Malicious PDF — malware analysis report

Static analysis result for SHA-256 1bbb0a32e4782156…

MALICIOUS

PDF

1.07 MB Created: 2021-04-07 04:30:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2c5d0d664cc9550243cbf434aa69ea82 SHA-1: c5c7695f38d75c6476645802ae5e1ea3a37eb007 SHA-256: 1bbb0a32e47821561372c61f849141020cda546cd48ee643d2cd3855b3f82080
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV and contains a critical heuristic firing for a PDF redirector link pointing to a suspicious URL. The embedded URL is likely part of a phishing or malware delivery scheme, aiming to lure the user to the external site. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier clean score 0.0113

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://yafferge.ru/award?keyword=administracion+financiera+pdf+van+horne

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