Malicious PDF — malware analysis report

Static analysis result for SHA-256 213f32177cbef137…

MALICIOUS

PDF

37.6 KB Created: 2021-03-15 18:17:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8051ccca626bed59c4795f2baaa41b35 SHA-1: 9b62dc63d5a82dd4ecffe21579dd4e3e33bc83ee SHA-256: 213f32177cbef137c946ae8b632a0773e8d5cf56e7bdf6a601f948c45f0130f0
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or malware delivery. It contains an embedded URI pointing to 'bologen.ru', which is likely the initial landing page for a malicious campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, suggesting the PDF is used to initiate a user-driven attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9289

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 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://bologen.ru/aws?utm_term=la+iliada+libro+completo
    • https://kiloxuloje.weebly.com/uploads/1/3/5/3/135398856/5263265.pdf
    • https://novatoful.weebly.com/uploads/1/3/0/9/130969934/gutazuwi.pdf
    • http://meetly.space/60415408379vdcov.pdf
    • https://uploads.strikinglycdn.com/files/2047dce2-b022-4af5-9651-6b97c87213f2/how_to_start_homelite_2600_psi_pressure_washer.pdf
    • https://c3373aeb-ed74-4f2d-b631-fa679e0a3f6f.filesusr.com/ugd/cbe7f7_887f9b47bb06452bb74852bc35f2e28f.pdf?index=true
    • https://s3.amazonaws.com/peveziwoguxuzam/sql_server_2017_standard_offline_installer.pdf
    • https://f64a1a0a-debf-4843-a838-a34c0cae0f4a.filesusr.com/ugd/89602e_7ba95e5caec341bdac06d5dbcf6d972d.pdf?index=true
    • https://uploads.strikinglycdn.com/files/2d0f4f3b-1a5a-4935-9701-bfffb8a8cdcd/46087158437.pdf
    • https://s3.amazonaws.com/nemafu/44263184160.pdf

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