Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a1a46c90a1396a6…

MALICIOUS

PDF

94.1 KB Created: 2021-03-08 14:43:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: cc9906d88028d699992cf1288221f6b5 SHA-1: e04b8cffa47a7338ca3a8d54548fc1701a388cc5 SHA-256: 9a1a46c90a1396a628ba0da43ca03574e52015bfec7a0317f773d8e5109541d4
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

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. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6520

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
  • 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://fokemale.ru/award?keyword=ext+gl+calendula+pdf PDF link annotation
    • https://cdn.sqhk.co/litanamamusi/l6Mjhjf/werem.pdfIn PDF document text
    • http://vozivovog.scienceontheweb.net/mibasazat.pdfIn PDF document text
    • https://cdn.sqhk.co/virurewev/D3bBjhr/busopatisetuxawe.pdfIn PDF document text
    • http://bufaturofonoko.22web.org/how_to_connect_steelseries_nimbus_to_xbox_one.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392862/normal_601b7b45f248b.pdfIn PDF document text
    • https://cdn.sqhk.co/bosareke/gShhhia/download_neon_hockey_mod_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457014/normal_603f8f6b513ef.pdfIn PDF document text
    • http://bumexusuladix.iblogger.org/xopesanaxibabi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373522/normal_602070bda27d2.pdfIn PDF document text
    • http://werategaxa.iblogger.org/brother_mfc_7360n_printer_driver_windows_7.pdfIn PDF document text
    • http://zekaxezixil.medianewsonline.com/samsung_bn59_remote_volume_not_working.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480155/normal_6018314908041.pdfIn PDF document text
    • http://dusibarupuguli.medianewsonline.com/xasifakebugifik.pdfIn PDF document text
    • https://cdn.sqhk.co/genazeres/Qf7hcnL/sling_blade_knife.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449771/normal_5fd892ccc3017.pdfIn PDF document text
    • http://nafakosoleg.epizy.com/catholic_cardinal_virtues_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/sedimeraxufi/levinson_keyboard_build_guide.pdfIn PDF document text
    • http://jigisasamupor.onlinewebshop.net/pejibudanututewofo.pdfIn PDF document text
    • http://jebunojas.epizy.com/99307598967.pdfIn PDF document text
    • http://rawupegidozu.rf.gd/naderaxokepew.pdfIn PDF document text
    • https://s3.amazonaws.com/poresi/73015260742.pdfIn PDF document text

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