Malicious PDF — malware analysis report

Static analysis result for SHA-256 08534a5ac45ace51…

MALICIOUS

PDF

35.9 KB Created: 2021-07-08 02:56:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: d4290974b8f4e2503764ca9280eca1e8 SHA-1: dee95f087e92cbd3ffd068068eb36610a971804c SHA-256: 08534a5ac45ace513ece9d73a4efe86b9662371a2afaa8c946ca4aaee6b8e7ab
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure with an embedded clickable link. The heuristic 'PDF_IMAGE_LURE' indicates it's an image-only document designed to trick users into interacting with an action trigger. The embedded URL points to a suspicious domain, likely leading to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7411

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://smidgel.ru/uplcv?utm_term=how+do+i+transfer+money+from+cash+app+to+my+debit+card PDF link annotation
    • http://weymouthhighschoolclassof62.com/clients/5/50/50fe23896e84432c97ff20d680692bb9/File/jamalumodezeti.pdfIn PDF document text
    • http://sllight.ru/design/img/upload/file/xosokinarajo.pdfIn PDF document text
    • https://christianboudreau.com/wp-content/plugiIn PDF document text

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