Malicious PDF — malware analysis report

Static analysis result for SHA-256 99510022e3ad2a73…

MALICIOUS

PDF

65.4 KB Created: 2021-03-22 09:08:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 718dffce5846a801bed8afe1851ceaa5 SHA-1: 34e6ad1e3ee50302a2501bf17d47a955b9836491 SHA-256: 99510022e3ad2a73915992962908b733ad0c48533764adf21f900cf101232926
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple embedded URLs and is flagged as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier further indicate malicious intent. The document body, though heavily obfuscated, contains text related to job applications, reinforcing the phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6087

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://pelibifir.ru/award?keyword=www.+police.+gov.+bd+job+application+form+pdf
    • https://tulalesin.weebly.com/uploads/1/3/4/8/134876190/kugimajotojav.pdf
    • https://cdn-cms.f-static.net/uploads/4388276/normal_6019bad46d647.pdf
    • https://cdn-cms.f-static.net/uploads/4463006/normal_60385dd5c1ac9.pdf
    • https://kufoxigokutef.weebly.com/uploads/1/3/1/8/131856815/bevuriwedop.pdf
    • http://shlifovka-pol.website/45555953806l1y7u.pdf
    • http://idealica-italiaofficial.site/17381954977ll4sl.pdf
    • https://cdn-cms.f-static.net/uploads/4404757/normal_60343fb97e892.pdf
    • https://paxuweveli.weebly.com/uploads/1/3/5/3/135320709/risigavupubu.pdf
    • https://cdn.sqhk.co/puzadowoke/tjjChsw/malokebedir.pdf
    • https://minojesifivu.weebly.com/uploads/1/3/4/8/134860027/2335008.pdf
    • http://return-0.com/codashop_ph_ml_tntpvyld.pdf
    • http://housefashion.ru/xorawogomedirop51fw.pdf
    • https://cdn.sqhk.co/foxoxaze/aKatifp/brain_it_on_the_truck_level_5.pdf
    • https://xivexibajewubud.weebly.com/uploads/1/3/1/0/131069970/galowatimukunug_nopuzagek_boxuxanapokiso_jezisonudize.pdf
    • https://static.s123-cdn-static.com/uploads/4449779/normal_5ff382ca22d9e.pdf
    • https://static.s123-cdn-static.com/uploads/4496602/normal_5feb61d382743.pdf
    • https://s3.amazonaws.com/vososasoxumete/zebas.pdf
    • https://uploads.strikinglycdn.com/files/01ce140f-13c3-46e9-84a5-0489c1ae3860/2573489335.pdf
    • https://uploads.strikinglycdn.com/files/084600c7-09bb-4d69-b964-4066dfcdf839/85734766255.pdf
    • https://s3.amazonaws.com/wolina/23895290110.pdf
    • https://s3.amazonaws.com/zabejuvijolu/christmas_street_party_invite_templates.pdf
    • https://s3.amazonaws.com/netinuwa/amazon_sale_india_today_offer_bedsheet.pdf

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