Malicious PDF — malware analysis report

Static analysis result for SHA-256 f20c9d45b017863b…

MALICIOUS

PDF

47.0 KB Created: 2021-03-17 11:34:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 063985651a0aabfda37cdb39a63f2ee0 SHA-1: da7c74d112fbf2b225a3a88282b80cfe3f7801fa SHA-256: f20c9d45b017863bd617e339cf74b859c2f119933f41a37ccabbf6672d4471bc
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 0.7134

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/award?keyword=revenue+recognition+ind+as+pdf PDF link annotation
    • https://cdn.sqhk.co/rubupidorinu/ehajihK/67565868491.pdfIn PDF document text
    • https://cdn.sqhk.co/wogirujut/gfZif4v/mewivadupimimave.pdfIn PDF document text
    • http://mon-cmb.best/owen_meany_chapter_8_sparknotesn2jlh.pdfIn PDF document text
    • https://cdn.sqhk.co/kamupudoro/aghigjd/vedimivifekowidu.pdfIn PDF document text
    • https://cdn.sqhk.co/joraxeneli/iiXPpwc/archery_battle_3d_hack.pdfIn PDF document text
    • https://cdn.sqhk.co/zonakagud/Y97Xmig/lepezelaguduvagaj.pdfIn PDF document text
    • http://jonotijero.medianewsonline.com/modix.pdfIn PDF document text
    • http://xesapuwax.mywebcommunity.org/10071544482.pdfIn PDF document text
    • http://frontend-developer-azaynullin.site/shimano_ultegra_di2_disc_st-r8070o9oew.pdfIn PDF document text
    • http://bitoxifa.sportsontheweb.net/what_lexile_should_a_3rd_grader_have.pdfIn PDF document text
    • http://pixizosusonaxij.sportsontheweb.net/5654345305.pdfIn PDF document text
    • https://cdn.sqhk.co/mivezifov/iiQwgcp/best_ringtone_maker_for_iphone_free.pdfIn PDF document text
    • http://mateguwokalidub.getenjoyment.net/xunefadoledex.pdfIn PDF document text
    • https://cdn.sqhk.co/zekoparan/hjiavgd/28080941909.pdfIn PDF document text
    • http://esagafow.fun/process_flow_chart_ppt_template_freei8pnc.pdfIn PDF document text
    • https://cdn.sqhk.co/lekibefefu/aggjijE/34910895316.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b481f6a6-93a5-4000-859a-7a14cb2f2017/how_much_do_global_marketing_managers_make.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d509554-3a21-4b72-8c4e-273790f2f063/should_ethernet_be_capitalized.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c68606a-0d54-46ae-af0b-8a59af55343b/best_cordless_phones_with_answering_machines_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/dutuzanob/grand_gangster_game_for_android_mobile.pdfIn PDF document text
    • https://s3.amazonaws.com/rolefosiju/rixurikumosal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/80708d9e-226b-4d05-9fac-fadfcf78d284/what_is_visual_analysis.pdfIn PDF document text
    • https://s3.amazonaws.com/dovulavavo/broadsheet_brisbane_hotels.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/decb3728-50a0-4577-93fe-b4867e216622/kanotorobudabumizifesufa.pdfIn PDF document text

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