Malicious PDF — malware analysis report

Static analysis result for SHA-256 03c6f7cac69f2b84…

MALICIOUS

PDF

48.0 KB Created: 2020-12-24 20:35:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 79b970d309d047118311d5ee0f24804a SHA-1: 5bcda3c7d4ef8982ce27f3a2822a62001aadb9b0 SHA-256: 03c6f7cac69f2b84b50f12afb6447aa62f5e09beb384959fab4900918a0ad992
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document with an action trigger, typical of a phishing lure. It contains a single external URI pointing to 'trafffe.ru', which is likely the phishing destination. The ML classifier and ClamAV detection further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7009

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 48 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://trafffe.ru/123?utm_term=motorola+bluetooth+earpiece+replacement+parts+rubber
    • https://cdn-cms.f-static.net/uploads/4371791/normal_5fda5dd58f27e.pdf
    • https://cdn-cms.f-static.net/uploads/4459629/normal_5fa528fa442ac.pdf
    • https://cdn-cms.f-static.net/uploads/4408475/normal_5f92ce3533e11.pdf
    • https://cdn.sqhk.co/zepagaro/tWggeif/ronumakobenuvapazusej.pdf
    • https://cdn.sqhk.co/lasesekov/agdiaii/adopt_me_tips_and_tricks_2020.pdf
    • https://cdn-cms.f-static.net/uploads/4445742/normal_5fdaac4ac6d63.pdf
    • https://static.s123-cdn-static.com/uploads/4450506/normal_5fe2b5e4684b1.pdf
    • https://cdn.sqhk.co/vosiwuli/Wf7jeQQ/defence_application_process.pdf
    • https://s3.amazonaws.com/napejaxosinages/3d_models_online_free.pdf
    • https://uploads.strikinglycdn.com/files/ada21942-3041-4ffa-9acb-03bd802320f9/word_puzzle_games.pdf
    • https://s3.amazonaws.com/gogunabones/arterial_line_waveform_pulse_pressure_variation.pdf
    • https://uploads.strikinglycdn.com/files/8ae7b2a6-7614-472b-b017-b554b0fb92a3/military_field_manuals_free.pdf
    • https://uploads.strikinglycdn.com/files/f50dbde6-90c5-4342-b6c1-d7b12cb14dd3/30580024307.pdf

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