Malicious PDF — malware analysis report

Static analysis result for SHA-256 be2fe17196c04d21…

MALICIOUS

PDF

14.9 KB Created: 2020-10-30 05:56:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87379abaa777895d6baa132d7bc7bb63 SHA-1: 44acac9fba29f43c462bd08369ba3081635cf295 SHA-256: be2fe17196c04d210724a961768a3c1c01b153c9b91e73cde7bbf484d1e726e1
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a lure, presenting a screenshot of a tax regulation document to entice users to click. The embedded link, identified as a malicious redirector, leads to the URL https://ttraff.ru/123?keyword=regulamento+do+imposto+de+renda+2020. This indicates a phishing attempt to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9909

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.
  • 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 14 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://ttraff.ru/123?keyword=regulamento+do+imposto+de+renda+2020

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