Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccf782d73ce565c3…

MALICIOUS

PDF

36.0 KB Created: 2021-09-06 03:56:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: 60f6a3fbc2961dd3597321b40ff47734 SHA-1: 298af35f3fcce6590e2940d5dd96c53db08a0cf5 SHA-256: ccf782d73ce565c39c0b4fc668fdca03cdb9179a7040681f3e5989ddd7108809
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting an image-based lure, typical of a screenshot, designed to entice users to click on an embedded link. This action likely redirects the user to a malicious site for phishing or to download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7365

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
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://nirmalamathachurch.org/cms_uploads/image/file/pedukud.pdf In PDF document text
    • https://electroagro.es/pub/files/sodojivevu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=free+home+education+worksheets+ukPDF link annotation

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