Malicious PDF — malware analysis report

Static analysis result for SHA-256 5048fb772ccf86f9…

MALICIOUS

PDF

35.6 KB Created: 2021-01-12 15:55:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: f05c978b2b90d481c4657a82892785bc SHA-1: eaa4a9024dad22b04917a7f4889c6f7f6e4b0555 SHA-256: 5048fb772ccf86f9da2eb4b79fb36094a72906ee609763b74fa610bd8bcdfc68
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is identified as malicious by ClamAV and an ML classifier. The 'PDF_IMAGE_LURE' heuristic indicates it's an image-based document designed to trick users into clicking a link, which is supported by the presence of an external URI. The document likely serves as a phishing lure or a downloader for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6891

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
  • 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 https://trafftec.ru/aws?utm_term=aggiornamento+android+lg PDF link annotation
    • https://site-1177275.mozfiles.com/files/1177275/din_en_iso_9227_english.pdfIn PDF document text

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