Malicious PDF — malware analysis report

Static analysis result for SHA-256 d37e3ede99047907…

MALICIOUS

PDF

50.3 KB Created: 2021-01-01 02:45:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0e6a9d9117a87ad7a9385710c1008764 SHA-1: 0fd8212e472ca1b0de3c44b8c2c560bc17cb69c7 SHA-256: d37e3ede990479071e355ac428f016129844161fd58cb80583795ffc48b04c90
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. It contains an embedded URI pointing to 'trafftec.ru', which is highly suspicious. The ClamAV detection and ML classifier further support its malicious classification. No scripts were extracted, but the overall structure suggests a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7011

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 50 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://trafftec.ru/strik?utm_term=red+white+black+white+red+striped+flag
    • https://cdn.sqhk.co/fedovusig/TLieLgf/simple_bowling_rules.pdf
    • https://cdn.sqhk.co/jaxabofapuw/ichighi/yandex_disk_windows_download.pdf
    • https://cdn.sqhk.co/salenasova/idZqNgJ/1st_grade_reading_lesson_ideas.pdf
    • https://cdn-cms.f-static.net/uploads/4405899/normal_5fab9ef64540a.pdf
    • https://cdn.sqhk.co/jekuzedu/hbnR3FD/zadar.pdf
    • https://static.s123-cdn-static.com/uploads/4369324/normal_5fe2f2d7214ae.pdf
    • https://cdn.sqhk.co/tubafejog/iijdhcl/the_ants_go_marching_story_book.pdf
    • https://s3.amazonaws.com/dujepav/xusimasiwituniganesuwofo.pdf
    • https://s3.amazonaws.com/jijari/governed_portfolio_6_factsheet.pdf
    • https://s3.amazonaws.com/kitakilesa/flagpole_antennas_for_sale.pdf
    • https://s3.amazonaws.com/foneniz/alphabet_writing_sheets_for_kindergarten.pdf
    • https://s3.amazonaws.com/pevarijidasalop/fifegidilututamewetamasi.pdf
    • https://s3.amazonaws.com/vogubivajavofu/simple_house_rental_agreement.pdf
    • https://s3.amazonaws.com/xetasif/tizunewenarajemikubila.pdf

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