Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5690845812e0d8f…

MALICIOUS

PDF

365.1 KB Created: 2021-03-25 16:12:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7d23cf2cc7f3de91ea770e08788c494a SHA-1: 3ef6ffcbda59237f672acc0e94ec71015db7b9a9 SHA-256: f5690845812e0d8fb388db4fff4437a27c96d2607ad74a2d309094d015633135
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF containing a link to a known malicious redirector. The ClamAV detection and the embedded URL heuristic confirm its malicious nature. The embedded URL likely serves as a lure to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0585

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=bleak+house+pdf+ebook

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