Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cb2566c94e18805…

MALICIOUS

PDF

36.9 KB Created: 2021-10-04 13:04:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: ae2316c6996722f0b74fe17d7fec6edf SHA-1: 73bda2f83bb040745006471b12e2a74368626239 SHA-256: 0cb2566c94e18805c438a1ac65012cedb3c5ed4de245767df56e0bcc11f263c4
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and is flagged as a phishing lure due to its small size and image-like appearance, suggesting it's designed to trick users into clicking external links. The embedded JavaScript likely facilitates the redirection or execution of malicious content. Several unknown URLs were extracted, indicating potential destinations for the payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6864

Heuristics 5

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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 http://www.polni.si/Images/files/lexazopi.pdf In PDF document text
    • https://steammining.com/userfiles/file/70822968637.pdfIn PDF document text
    • http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84832280791.pdfIn PDF document text
    • http://cuanhuaabshanquoc.vn/files/poduzibonaporakemaba.pdfIn PDF document text
    • http://clinton.abwingsmd.com/uploads/files/81034776394.pdfIn PDF document text
    • http://prabashproperties.com/ckfinder/userfiles/files/gamikedisetigupewipotamu.pdfIn PDF document text
    • http://mackyz7automotive.com/js/upload/files/78959457145.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=inquisition+middle+agesPDF link annotation

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