Malicious PDF — malware analysis report

Static analysis result for SHA-256 995a586090a7622e…

MALICIOUS

PDF

52.6 KB Created: 2020-11-24 07:09:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6cbd08881c578d09b9c82a4a5e337378 SHA-1: 7e3427622922842e880073e21e97d3600c2b7966 SHA-256: 995a586090a7622ed5e3324a26386f75b716991e83bf77d5f5d5b7a63bca241f
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing attacks, designed to trick users into clicking an embedded link. The ClamAV detection and ML classifier further support its malicious nature. The primary IOC is the external URL which likely serves the malicious payload or phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7021

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 52 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://trafficel.ru/aws?utm_term=verizon+galaxy+s10e+manual
    • https://cdn-cms.f-static.net/uploads/4377100/normal_5f8bdc0387e8c.pdf
    • https://cdn-cms.f-static.net/uploads/4473049/normal_5fa6ef4b4be1a.pdf
    • https://cdn-cms.f-static.net/uploads/4380890/normal_5f9fd901788a4.pdf
    • https://cdn-cms.f-static.net/uploads/4385617/normal_5f9cb91c6aa28.pdf
    • https://cdn-cms.f-static.net/uploads/4446045/normal_5fb4637053ef2.pdf
    • https://cdn-cms.f-static.net/uploads/4385202/normal_5fa66bb907cde.pdf
    • https://s3.amazonaws.com/fajeloninesitel/61600478632.pdf
    • https://s3.amazonaws.com/pezofut/halo_5_unlock_all_armor_cheat_code.pdf
    • https://s3.amazonaws.com/zerejibixupav/rezufisolusugavu.pdf
    • https://s3.amazonaws.com/panalipolifod/32297152737.pdf
    • https://s3.amazonaws.com/sugaguxagu/vomitojo.pdf
    • https://s3.amazonaws.com/wetevali/tebirojubugiridira.pdf
    • https://s3.amazonaws.com/rimepusox/west_des_moines_police_department_iowa.pdf
    • https://s3.amazonaws.com/zaxawetawupo/58708538773.pdf
    • https://s3.amazonaws.com/bopuxosavubare/namimiviwuvipowogutumas.pdf

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