Malicious PDF — malware analysis report

Static analysis result for SHA-256 778ae5f4a1b51da2…

MALICIOUS

PDF

58.2 KB Created: 2020-12-19 23:05:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c4c3fd61c51906bb7ad71549065759dd SHA-1: 9e8fee0db96dec2c8470336b8d514ac4f721c037 SHA-256: 778ae5f4a1b51da21d5e324302c65cf92697adf83a18db20168167b9c547a5e4
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to phish or deliver malware. The ML classifier and ClamAV detection further support its malicious nature. Although no scripts were extracted, the embedded URL is the primary indicator of compromise and attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8754

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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://cctraff.ru/strik?utm_term=parkland+youth+league
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