Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbc4fe2bad13e247…

MALICIOUS

PDF

36.7 KB Created: 2021-03-17 17:33:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f9504b0dbed7992737569135285daf0f SHA-1: af556e5b9cb49bac2a3311863d261b4d6252c190 SHA-256: cbc4fe2bad13e247560a3451b747f7eec9e0f84b4445088acf7336576e0ccbc0
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical of phishing campaigns, designed to trick users into interacting with a malicious link. The heuristic 'PDF_IMAGE_LURE' indicates a full-page screenshot hiding a clickable button. The embedded URL 'https://baarspo.ru/award?keyword=asme+bolt+standards+pdf' is a primary indicator of this malicious intent, likely leading to a phishing page or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6329

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://baarspo.ru/award?keyword=asme+bolt+standards+pdf
    • http://gratoram.site/kenmore_elite_washer_service_manual0f8x0.pdf
    • http://rodina38.ru/admission_form_of_sainik_school_dehradunl1glk.pdf
    • https://cdn-cms.f-static
    • http://bojepudadadax.atwebpages.com/occupational_health_and_safety_standards_philippines.pdf
    • https://s3.amazonaws.com/roware/33612427474.pdf
    • https://a98f38e8-5810-4fc9-be6a-c3d78c7c4f9f.filesusr.com/ugd/921909_7bb616204e6a49a2a99883ee340abb5a.pdf?index=true

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