Malicious PDF — malware analysis report

Static analysis result for SHA-256 70b1faf0d03eec9f…

MALICIOUS

PDF

36.2 KB Created: 2021-07-13 20:48:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: cfec42213f938fd4fe388848b2e83cfd SHA-1: b781a571ae4dc3e5995e0d5271332efe4de5c9f7 SHA-256: 70b1faf0d03eec9fc46b9aadbc8209908e78450fce8ea93fd54fa102038ddc58
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or malware distribution. It contains an embedded URI pointing to a suspicious domain, which is likely intended to redirect the user to a malicious site. The ML classifier and ClamAV detection further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7255

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 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://cructi.ru/uplcv?utm_term=power+query+excel+2013+32+bit+download PDF link annotation
    • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a112ebdd4fc---66912740550.pdfIn PDF document text
    • http://kochamsushi.pl/UserFiles/file/43281528714.pdfIn PDF document text
    • http://nuestratierrapremios.com/campannas/file/xixavatepemo.pdfIn PDF document text
    • https://bettenbaehren.de/wp-content/plugins/formcraft/file-uplIn PDF document text

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