Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bcbde06e8733054…

MALICIOUS

PDF

37.6 KB Created: 2020-12-11 14:05:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cfce09d40dc05ec7557b09ea7329c0e7 SHA-1: 8250efc8305245d0fe332c32326df7ab3eaa4281 SHA-256: 6bcbde06e8733054657fcf78d1349a8da6c0b21d3df152c83bc2c86a684a5388
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document designed as a lure, typical of phishing attacks. It contains an embedded URI pointing to 'trafffe.ru', which is likely the destination for the phishing attempt. ClamAV detection further supports its malicious nature, classifying it as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5704

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 37 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=biodata+format+for+teaching+job+application+pdf
    • https://static.s123-cdn-static.com/uploads/4414335/normal_5fd06f969959a.pdf
    • https://static1.squarespace.com/static/5fc389708787e879897c9404/t/5fc8fa4f9d58744bc8a5f694/1607006799890/rarajujulozalibuwevidib.pdf
    • https://static1.squarespace.com/static/5fc2e9962bbd74065813b99d/t/5fc4c2824e98326c02a74db6/1606730371126/gaffney_elementary_school_new_britain_ct_06053.pdf
    • https://uploads.strikinglycdn.com/files/9ba73fe8-507b-4189-aadf-fb769b02ea21/86720641980.pdf
    • https://static1.squarespace.com/static/5fce28aef169c371838629d4/t/5fd151894913d434c4be86ad/1607553418820/67780610629.pdf
    • https://static1.squarespace.com/static/5fc68d526b97992eb5827da1/t/5fc92dc9ac3ca560af99b2d9/1607019979473/ranujomutel.pdf
    • https://static1.squarespace.com/static/5fc10620bf71053ccb10dd13/t/5fd1029252ff3d55c6ae175b/1607533203090/exterior_house_paint_colors_app.pdf
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf51aabc819f1cf4cf3454/1606373813933/i_am_innocent_game_cheats.pdf