Malicious PDF — malware analysis report

Static analysis result for SHA-256 846b1463644778ff…

MALICIOUS

PDF

36.2 KB Created: 2021-09-07 20:26:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 37d419125e83993446baa9002059f051 SHA-1: 9308dda36bc83568c6056cf7a835227105d8b06b SHA-256: 846b1463644778ff3d678b00930e944802dc5253bce597679da5ac3b0f03c0a8
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a phishing lure. It contains an embedded URI pointing to 'wastran.ru', which is likely intended to redirect the user to a malicious site or download a payload. The document's structure suggests it is image-based, designed to trick users into interacting with a hidden clickable element.

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://wastran.ru/uplcv?utm_term=happier+piano+chords+pdf PDF link annotation
    • http://danieldesignpro.com/userfiles/gupijazap.pdfIn PDF document text
    • https://safewatersolutions.in/ckfinder/userfiles/files/kowazejetuwarajobeb.pdfIn PDF document text
    • http://z-i-f.ru/userfiles/file/xenixix.pdfIn PDF document text
    • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/58076339624In PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.