Malicious PDF — malware analysis report

Static analysis result for SHA-256 a00aaf40661b5187…

MALICIOUS

PDF

35.9 KB Created: 2021-07-05 00:46:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-23
MD5: 05cf103513f74147282be6e94d824895 SHA-1: 51191a8b2dc501020f4cc701ba062a1bc9422648 SHA-256: a00aaf40661b5187000b31979216f441b4a3564abe2c1887eda507e157e1ae43
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier. It employs an image-only lure, a common phishing tactic, to entice users to click on an embedded URI. The presence of unknown reputation URLs suggests a potential download or redirection to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7689

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 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://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160d5e6c32f34e---83246945116.pdf In PDF document text
    • http://adbuffalony.com/uploads/files/54423882101In PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=40+power+tools+you+can+make+pdfPDF link annotation

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