Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d712e18fe300362…

MALICIOUS

PDF

35.6 KB Created: 2020-12-23 19:43:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bbf0ee3dffaa4bd4f0b395b73ef15a9e SHA-1: 4c0fa0ea9d10a27a33020d27443e2dfe63c4a728 SHA-256: 0d712e18fe300362917ce745a31cdd6b70fba1dba43d84ba38cac240762ab486
172 Risk Score

Malware Insights

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

The PDF employs an image-only lure, a common phishing tactic, to disguise a malicious link. Heuristics indicate it redirects to known malicious infrastructure, and ClamAV detection confirms its malicious nature. The primary IOC is the redirector URL used to funnel victims to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7066

Heuristics 4

  • 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
  • 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://ggtraff.ru/aws?utm_term=novel+alma+aridatha+untied+pdf
    • https://uploads.strikinglycdn.com/files/54ed15f0-1a8d-40b8-816e-38eb0ab585af/75044068392.pdf

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