Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c237e1bbe2bcd64…

MALICIOUS

PDF

43.2 KB Created: 2021-04-08 16:32:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: abbfd95e2b82f6cc2f986fa5e6aebaa8 SHA-1: 6f04bcc9b710e32163cda13cdba305f94c53bf77 SHA-256: 2c237e1bbe2bcd6478b5ff415c3d5152750337017267de3409f7c30b79fd12bc
144 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6563

Heuristics 5

  • 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 2 text block(s), carries a click-outward action, and is only 43 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://lozipotod.ru/strik?utm_term=how+much+does+it+cost+to+start+a+music+publishing+company PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4382627/normal_606949bdaba3a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424024/normal_6052d9eec7f9d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453556/normal_60469cd364dd8.pdfIn PDF document text
    • https://bovimifukid.weebly.com/uploads/1/3/4/8/134882826/3025150.pdfIn PDF document text
    • https://xigujevaw.weebly.com/uploads/1/3/4/7/134701692/56a8c7b0c8167d7.pdfIn PDF document text
    • https://cdn.sqhk.co/powirafawume/ghNMV9d/colorsnap_match_app.pdfIn PDF document text
    • http://wovugikanagak.scienceontheweb.net/98785895663.pdfIn PDF document text
    • https://cdn.sqhk.co/rugofufol/hzoc0wv/zubuwuxerutesot.pdfIn PDF document text
    • http://gejedesoni.getenjoyment.net/albert_camus_l_etranger.pdfIn PDF document text
    • https://cdn.sqhk.co/tadeketoxab/zlvTijB/man_invents_car_that_runs_on_water_killed.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4498348/normal_6006463c1bd70.pdfIn PDF document text
    • https://vumiluvitut.weebly.com/uploads/1/3/2/6/132696113/pepomifevo.pdfIn PDF document text
    • https://cdn.sqhk.co/kokademesuz/K1Tjdid/clash_of_lords_2_espanol.pdfIn PDF document text
    • http://jolidulikan.scienceontheweb.net/blender_3d_animation_tutorial.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411481/normal_60068b63e21e7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388416/normal_600b253ec23d4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411681/normal_5ff5d1ef2c8c8.pdfIn PDF document text
    • https://cdn.sqhk.co/sowanigog/Tlgem5B/bedoyecta_tri_inyecciones.pdfIn PDF document text
    • https://wevuviwujito.weebly.com/uploads/1/3/1/6/131636984/2780064.pdfIn PDF document text
    • http://ziwemasux.myartsonline.com/rationality_definition.pdfIn PDF document text
    • http://satuloxovotemu.epizy.com/business_report_presentation.pdfIn PDF document text
    • http://jovifididapop.epizy.com/1106685082.pdfIn PDF document text
    • http://gajamozaxekega.atwebpages.com/30847461766.pdfIn PDF document text
    • http://dogufisojorosef.epizy.com/briova_specialty_pharmacy_botox_enrollment_form.pdfIn PDF document text

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