Malicious PDF — malware analysis report

Static analysis result for SHA-256 b134b7ed4c8c93be…

MALICIOUS

PDF

42.1 KB Created: 2020-12-13 21:46:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9c9e6aa72d0111b34fbb1cdd053c0d55 SHA-1: 320560fcd5fab590b15ee3d1e83917826d927da1 SHA-256: b134b7ed4c8c93be5c44e551b7e1d3801ac531d3f67c19abb3990de7cf2c4a15
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as an image-only lure, typical of phishing campaigns. It contains a single external URI pointing to 'https://trafffe.ru/aws?utm_term=punjabi+movies+box+office+report+2018'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9297

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 42 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/aws?utm_term=punjabi+movies+box+office+report+2018
    • https://cdn-cms.f-static.net/uploads/4369762/normal_5f948643da8ee.pdf
    • https://cdn-cms.f-static.net/uploads/4404123/normal_5fad9fed73c78.pdf
    • https://cdn-cms.f-static.net/uploads/4418166/normal_5fae377dc87cd.pdf
    • https://s3.amazonaws.com/muxegeza/xagiberuburus.pdf
    • https://uploads.strikinglycdn.com/files/7f3faf45-1716-42da-8047-1227ec274699/24055653077.pdf
    • https://s3.amazonaws.com/mijedusovineti/gozisikuwuvukisavaserig.pdf
    • https://s3.amazonaws.com/vizegemawokaxe/berthold_akzidenz_grotesk_font_family_free.pdf
    • https://uploads.strikinglycdn.com/files/22e79a7d-33ca-4438-8e78-6a928b7d0bb0/moluvokogebokabazogur.pdf
    • https://s3.amazonaws.com/dusubonifu/20761651691.pdf
    • https://s3.amazonaws.com/nijudow/sowasas.pdf
    • https://s3.amazonaws.com/wupixufekijax/62739400437.pdf
    • https://static1.squarespace.com/static/5fc006d0104edf1d777bfbd4/t/5fc1c5929ee0f32b8794980d/1606534549565/what_is_a_lurking_variable_z.pdf
    • https://static1.squarespace.com/static/5fc00a5311f6a4198480ec6e/t/5fc103b93485235c86ea8bc2/1606484924844/modaje.pdf