Malicious PDF — malware analysis report

Static analysis result for SHA-256 19d8b18086602137…

MALICIOUS

PDF

43.5 KB Created: 2021-03-27 22:56:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ef864571e44f5ea02f71c6b44d4125db SHA-1: dd4e373098a3534650be804ac600d4e1177ca723 SHA-256: 19d8b180866021375fcf509eb0ca952f6509c60ee839cb0dfb32854f4dcfe03f
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-heavy nature and a single clickable action. The embedded URL, https://xajibur.ru/award?keyword=aurora+lighting+catalogue+pdf, is the primary indicator of malicious intent, likely serving as a gateway to a phishing page or malware distribution. ClamAV detection further supports its malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6563

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 43 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://xajibur.ru/award?keyword=aurora+lighting+catalogue+pdf
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