Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a8e180589b549c5…

MALICIOUS

PDF

39.2 KB Created: 2020-12-10 18:30:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26
MD5: 07096b5874f91b7c06cccd592ac4f90c SHA-1: d97c3f76e5b991019a2b6f874c79a347692451b5 SHA-256: 9a8e180589b549c50c76bf814fa2f2e36e2ab52af26335b9f94f2a88b3556ab3
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier, and it exhibits characteristics of a phishing lure. The PDF contains an image-only interface with a clickable action, typical of a screenshot lure designed to redirect users to a malicious URL. The embedded URL, https://trafficel.ru/wb?keyword=free%20%20animated%20wallpaper%20windows%2010, is likely part of the phishing or malware distribution chain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7261

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 39 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/wb?keyword=free%20%20animated%20wallpaper%20windows%2010 PDF link annotation
    • https://fanawilixu.weebly.com/uploads/1/3/1/4/131408209/757d97e5e.pdfIn PDF document text
    • https://birivuben.weebly.com/uploads/1/3/4/6/134618962/divaju-tanusuxabanaw-fumoxunino.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387243/normal_5f8d95c8e5133.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449004/normal_5fa978fe56a8f.pdfIn PDF document text
    • https://s3.amazonaws.com/tibanepoxilibud/grade_8_soccer_referee_test_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/wulotugadag/breviario_di_estetica.pdfIn PDF document text
    • https://s3.amazonaws.com/firigugixujotov/diocletian_s_palace_guide.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe37169d79364840598ab5/1606301463871/dinaw_mengestu_home_at_last.pdfIn PDF document text
    • https://s3.amazonaws.com/pululusodogi/devejusawisabexi.pdfIn PDF document text
    • https://s3.amazonaws.com/tetazino/spread_spectrum.pdfIn PDF document text
    • https://s3.amazonaws.com/jedobufudajewu/63396770484.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc36151a13a450bab040bac/t/5fc4fb60e18c5c478e97d165/1606744928959/67138521303.pdfIn PDF document text
    • https://s3.amazonaws.com/xojafemori/micro_sd_adapter_for_iphone.pdfIn PDF document text

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