Malicious PDF — malware analysis report

Static analysis result for SHA-256 020fd4d92e009ff6…

MALICIOUS

PDF

49.6 KB Created: 2020-12-26 05:43:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cb2a6bdb4302170704d8ff82ae9fc77a SHA-1: 1b33ad130ddf14e47e579761919781f8fc57b3f4 SHA-256: 020fd4d92e009ff60e3d5764f27519f61a2c65f22534eccdd76bb16820970e80
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and a machine learning classifier. It employs a common phishing tactic by presenting itself as an image-only document with a clickable action, typical of a screenshot lure. The embedded URL, https://trafffe.ru/strik?utm_term=3d+music+app+download, is the primary indicator of malicious intent, likely serving as a redirect to a phishing page or a malware distribution point.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6502

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 49 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/strik?utm_term=3d+music+app+download
    • https://cdn.sqhk.co/jiwejujorod/RWxhV2D/51021346346.pdf
    • https://cdn-cms.f-static.net/uploads/4366365/normal_5faadc498edfa.pdf
    • https://keduwamiboru.weebly.com/uploads/1/3/4/6/134669925/bovok.pdf
    • https://tenabawik.weebly.com/uploads/1/3/2/7/132710661/ximedajefinetur.pdf
    • https://cdn.sqhk.co/sejujona/SSEiy3O/billie_eilish_brother_name.pdf
    • https://cdn.sqhk.co/tiruxugajo/N8fjdjc/96889082572.pdf
    • https://cdn-cms.f-static.net/uploads/4473322/normal_5fae1960db7e0.pdf
    • https://static.s123-cdn-static.com/uploads/4461791/normal_5fcf7d9c08868.pdf
    • https://uploads.strikinglycdn.com/files/bf843d24-4fe3-494a-ae48-89d01d811f55/uconn_graduation_2020.pdf
    • https://s3.amazonaws.com/damerirazib/maths_online_worksheets_for_class_7.pdf
    • https://uploads.strikinglycdn.com/files/d2a255c3-742e-4996-b90d-68830531750d/jack_el_caza_gigantes_online_latino.pdf
    • https://uploads.strikinglycdn.com/files/f0c937df-a562-4e32-9fe2-9c1f2fb0d9a7/60601210112.pdf