Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f1bf599f9c12cca…

MALICIOUS

PDF

41.6 KB Created: 2021-03-19 05:12:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4daa61f94fe2cfdd5e92a50c2e2c0256 SHA-1: 6660fbd92c11199968916a044a58bc2d330039ed SHA-256: 9f1bf599f9c12ccab6601d319cbec6d02b7fa44e1837f166c66d1b02a7e54de9
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file is identified as malicious by ML classifiers and ClamAV. It employs a common phishing tactic by presenting an image-based lure, likely a screenshot, to entice users to click on an embedded URI. The heuristic 'PDF_IMAGE_LURE' indicates that the document is primarily image-based with an action trigger, typical of phishing attempts. The embedded URL, https://druttle.ru/strik?utm_term=mercruiser+5.7+thunderbolt+ignition+wiring+diagram, is the primary indicator of a malicious redirection or download attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8051

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 41 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://druttle.ru/strik?utm_term=mercruiser+5.7+thunderbolt+ignition+wiring+diagram
    • https://cdn-cms.f-static.net/uploads/4387938/normal_60117ea8ba0df.pdf
    • https://cdn.sqhk.co/kugorazig/JTONjhL/napaxasezugobiwulajaxi.pdf
    • https://cdn-cms.f-static.net/uploads/4419236/normal_601b61f66a05c.pdf
    • https://cdn-cms.f-static.net/uploads/4465007/normal_60111fb3a16f7.pdf
    • https://cdn.sqhk.co/lisakopew/ggjs1ii/oh_sorry.pdf
    • https://static.s123-cdn-static.com/uploads/4419633/normal_5ff4d7b976476.pdf
    • https://cdn-cms.f-static.net/uploads/4444098/normal_603014245ecfd.pdf
    • https://static.s123-cdn-static.com/uploads/4460071/normal_5fef185118352.pdf
    • https://cdn.sqhk.co/barugogip/dKifijD/.pdf
    • https://s3.amazonaws.com/regufojalojaza/center_tapped_transformer_ltspice.pdf
    • https://uploads.strikinglycdn.com/files/4ee2c4f8-8462-4c48-9830-fabaf1dfa47a/cat_eye_mity_3_setup.pdf
    • https://s3.amazonaws.com/falevi/areopagitica_text.pdf
    • https://s3.amazonaws.com/silubebebefuju/83492209862.pdf
    • https://s3.amazonaws.com/jinotugiwomo/bleeding_disorders_in_dentistry.pdf
    • https://uploads.strikinglycdn.com/files/0484f4d4-8e6d-466a-b7e8-7840346daa04/twenty_one_pilots_stressed_out_letra_en_espaol.pdf
    • https://uploads.strikinglycdn.com/files/eff5ecae-a520-4c35-8d63-e69edf4dcb22/webajadepudipul.pdf
    • https://s3.amazonaws.com/zesixefe/kinogivagawilivevidital.pdf
    • https://s3.amazonaws.com/tanikanaw/61142846743.pdf
    • https://s3.amazonaws.com/fupanabivote/tegadevideramijikaz.pdf
    • https://s3.amazonaws.com/ravuxudibure/biografia_de_pitgoras.pdf

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