Malicious PDF — malware analysis report

Static analysis result for SHA-256 42782c407c4d28c7…

MALICIOUS

PDF

36.6 KB Created: 2021-06-14 04:15:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: e3a49a7d066aa88c1b2c48846b6269c0 SHA-1: 66e825b2ff65e0120ffeb82f3553bc33e7d591ea SHA-256: 42782c407c4d28c77b571c2bb0daec93a5be50e53b2893461a68c2fb1bd54e1e
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6329

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 36 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://ketchas.ru/uplcv?utm_term=wolf+online+mod+ios PDF link annotation
    • http://lab4050.com/upload/editor/file/zevone.pdfIn PDF document text
    • http://xn--om2b25zm6igqb.com/ckupload/files/jubarapijetedekolele.pdfIn PDF document text
    • http://alliusie.com/userfiles/file/56977496215.pdfIn PDF document text
    • https://ebooksweb.net/files/file/nemakosiwewopipetuz.pdfIn PDF document text
    • https://alshamiltrading.com/alshamilfiles/file/40932361873.pdfIn PDF document text
    • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/conteIn PDF document text

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