Malicious PDF — malware analysis report

Static analysis result for SHA-256 5485bfb3efa02ff0…

MALICIOUS

PDF

35.6 KB Created: 2020-12-25 06:03:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: ecb1f3d356fe36d9c6c4106a0137ee11 SHA-1: 7826d47ecc68f2018618084fd19434932ace7d61 SHA-256: 5485bfb3efa02ff0593946d80e51929b5a55991946ec91fdb9a614a363af6b0d
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF was identified as malicious by multiple heuristics, including a critical finding for a malicious redirector link. The document's structure suggests it is an image-based lure, typical of phishing campaigns. The embedded URL leads to a known malicious redirector, likely serving as a gateway to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7668

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 35 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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/aws?utm_term=jet+engine+inlet+guide+vanes In PDF document text

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