Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dbecdc39be6f5ed…

MALICIOUS

PDF

35.3 KB Created: 2020-12-16 07:59:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: a00d327301f5575d34e2ac791e3b0b96 SHA-1: b45f1f877e8e1973ab3c99122de8a344433d5b73 SHA-256: 7dbecdc39be6f5edbcad8891eb09f3a684a7c27d3e25474ce6d0644280deeb1d
172 Risk Score

Malware Insights

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

The PDF file is identified as malicious by multiple heuristics, including a critical finding for a malicious redirector link. The document structure suggests it's an image-only lure, typical of phishing attempts. The embedded URL leads to a known malicious infrastructure, indicating the primary purpose is to redirect users to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8187

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://cctraff.ru/wb?keyword=rockport%20copano%20bay%20fishing%20report In PDF document text

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