Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a12367e01f596d5…

MALICIOUS

PDF

46.8 KB Created: 2021-09-19 03:50:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: f75ae4f4effaafa37d6bb7cc8eb1ae89 SHA-1: 8d8fdaf6c46ad2862dced645006ef9696995ef38 SHA-256: 3a12367e01f596d51d63ad2deb4ee31b391d361764b75480929f756c35120e69
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing campaigns. It contains multiple embedded URLs, some of which are flagged as unknown, suggesting they could lead to malicious content. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7713

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 46 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://diakmelo.hu/ckfinder/userfiles/files/61582070298.pdf
    • https://redac.ch/upload/26236239148.pdf
    • http://ngoinvest.com/uploads/ckfinder/files/4056372693.pdf
    • http://aaykpn.com/uploads/editor/files/nanon.pdf
    • http://laxycoffee.com/upload/files/95902172832.pdf
    • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613645d8d9639---82837701038.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=floor+plan+creator+apk+full

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