Malicious PDF — malware analysis report

Static analysis result for SHA-256 50c37debbc16392f…

MALICIOUS

PDF

52.6 KB Created: 2021-01-11 13:55:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 345d8e11166a366859d9cb0fd2bfc16b SHA-1: f3a8b448f6a1ec07a799cd740b467ebae2abe38c SHA-256: 50c37debbc16392fecfe29a08258dc9c58ba04957713b518fc43f397cce826ae
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'traffmen.ru'. This URL is likely used to funnel victims to phishing pages or download further malware. The ML classifier and ClamAV detection further support the malicious nature of this PDF, indicating it's designed for phishing or Trojan delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7590

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://traffmen.ru/wb?keyword=after%20burner%20climax%20ps3%20download
    • https://cdn-cms.f-static.net/uploads/4459341/normal_5fdb29c82a1c4.pdf
    • https://site-1177405.mozfiles.com/files/1177405/32991976326.pdf
    • https://cdn-cms.f-static.net/uploads/4403954/normal_5fd77b6f342d7.pdf
    • https://cdn-cms.f-static.net/uploads/4367303/normal_5f87bbe1ddc3b.pdf
    • https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/b15c402.pdf
    • https://gotanizanoga.weebly.com/uploads/1/3/5/3/135332446/zenisifo.pdf
    • https://jedunifoxawixe.weebly.com/uploads/1/3/4/4/134458330/eb34ad6c8bf3.pdf
    • https://static.s123-cdn-static.com/uploads/4379229/normal_5fde89b8c5c89.pdf
    • https://site-1168136.mozfiles.com/files/1168136/60000574022.pdf
    • https://site-1171776.mozfiles.com/files/1171776/skyrim_dragonbone_uesp.pdf
    • https://cdn-cms.f-static.net/uploads/4389830/normal_5faebfd362d7f.pdf
    • https://static.s123-cdn-static.com/uploads/4484999/normal_5fcf8a8286943.pdf
    • https://site-1177365.mozfiles.com/files/1177365/fivedulikidadukafifatokus.pdf
    • https://site-1171373.mozfiles.com/files/1171373/45657396697.pdf
    • https://site-1176681.mozfiles.com/files/1176681/mabejirotasotav.pdf
    • https://rukazoxet.weebly.com/uploads/1/3/4/0/134040508/lukub.pdf

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