Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a3d643163e1109e…

MALICIOUS

PDF

37.6 KB Created: 2021-03-15 21:52:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: a10807a2c9823b1e91a4e17d29af9357 SHA-1: f68d53f74f49662d5de3d899fe84bb024aea9489 SHA-256: 9a3d643163e1109e6059b31d4e15f7a89d3365261896a12ac2984f72d1a3518a
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains an image designed to obscure a clickable link, directing users to the URL https://kuzutuzo.ru/aws?utm_term=node+js+referenceerror+document+is+not+defined. The document's structure and the presence of an external URI strongly suggest an attempt to deliver a malicious payload or phish for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9303

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://kuzutuzo.ru/aws?utm_term=node+js+referenceerror+document+is+not+defined PDF link annotation
    • https://towipikegogu.weebly.com/uploads/1/3/4/6/134690187/volefivoto-wuxulexukugik.pdfIn PDF document text
    • https://cdn.sqhk.co/kazamepa/ajjyjen/zombie_catchers_hack_unlimited_plutonium.pdfIn PDF document text
    • http://load-bcp.com/how_to_organise_a_gardent5hwx.pdfIn PDF document text
    • https://ritojajugub.weebly.com/uploads/1/3/5/9/135984917/waxagetixisa.pdfIn PDF document text
    • http://wowovamofuzo.sportsontheweb.net/sheet_metal_forming_methods.pdfIn PDF document text
    • https://zizovotitimojuv.weebly.com/uploads/1/3/2/7/132712514/pizixevafi.pdfIn PDF document text
    • http://jijufik.22web.org/batman_wallpaper_free_for_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/kesufetumo/ggetjfP/music_theory_guiIn PDF document text
    • http://xawixojupaxixan.onlinewebshop.net/bafesej.pdfIn PDF document text
    • http://fopovixiwi.epizy.com/zanugiferade.pdfIn PDF document text

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