Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0373f9ec2c8cb10…

MALICIOUS

PDF

50.3 KB Created: 2021-05-03 13:24:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 418fad5a88f6092073e12576f32da73a SHA-1: 403c9e2ae19a09129205ece1579b31797667c9e7 SHA-256: f0373f9ec2c8cb1045d887556dadf4d2d3966349bb10df07fda05351b338ee12
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 0.9369

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://dugedepap.ru/strik?utm_term=start+your+own+business+from+home+uk PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4417305/normal_60329f505c3cf.pdfIn PDF document text
    • https://cdn.sqhk.co/pumibavi/vRKhagf/zijaxerumuputirujajopo.pdfIn PDF document text
    • https://cdn.sqhk.co/tuxonewebuke/iiZScig/godusikuniwoder.pdfIn PDF document text
    • https://cdn.sqhk.co/dobexesi/righiBm/lowrider_bomb_truck.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427506/normal_604d6f87733c6.pdfIn PDF document text
    • https://cdn.sqhk.co/kalusoxat/jgNhh83/61327321829.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445333/normal_5fccb98dcfcc1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470385/normal_5ff996d1252e7.pdfIn PDF document text
    • http://salearea.pro/hunger_games_mockingjay_part_1_plot_summary194sa.pdfIn PDF document text
    • https://cdn.sqhk.co/posukomokufi/2hbjgv5/the_brothers_karamazov_pevear_volokhonsky.pdfIn PDF document text
    • https://cdn.sqhk.co/baxorurifina/eiejg50/my_dolphin_show_4_unblocked.pdfIn PDF document text
    • https://cdn.sqhk.co/farafakilof/jdOcgec/tle_parent_app_not_working.pdfIn PDF document text
    • http://vivadoctor.ru/what_does_medical_laboratory_technology_meanemzih.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403959/normal_6054ae00ae8c0.pdfIn PDF document text
    • http://eurofamily.pro/how_to_fix_paper_feeder_in_printera91ip.pdfIn PDF document text
    • http://peledopa.myartsonline.com/74687302012.pdfIn PDF document text
    • http://sutexuvidag.myartsonline.com/how_to_prepare_for_a_home_kitchen_inspection.pdfIn PDF document text
    • http://rojaxenutu.rf.gd/wogejakaralubogofup.pdfIn PDF document text
    • http://zaramapowo.rf.gd/gmapsupp._img_free.pdfIn PDF document text
    • http://kagokonutuvep.epizy.com/2020_audi_a4_cabriolet_owners_manual.pdfIn PDF document text

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