Malicious PDF — malware analysis report

Heuristics 7

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://crophysi.ru/strik?utm_term=what+is+the+highest+score+for+usmle+step+1 PDF link annotation

  • http://sale20.site/nexakivifupinuplvxvf.pdfIn PDF document text
  • https://cdn.sqhk.co/zovitamojim/ogezNXl/best_magic_animation_mods_skyrim.pdfIn PDF document text
  • http://about-central.com/75313527200lulb7.pdfIn PDF document text
  • https://cdn.sqhk.co/vumorumuvogi/AZibNjb/durotozagokaxogajoxa.pdfIn PDF document text
  • https://cdn.sqhk.co/devisojop/fgiOsjj/73477486641.pdfIn PDF document text
  • http://bitcoinchat.fun/how_many_radians_is_180iisl4.pdfIn PDF document text
  • https://cdn.sqhk.co/gupimupiset/bhegeic/bokukigerarowesivo.pdfIn PDF document text
  • https://cdn.sqhk.co/sotisajen/bijbhjW/skate_3_mega_park_jump_glitch.pdfIn PDF document text
  • http://uscovidcharts.com/18823735681llp65.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://77483064-5892-4b52-b419-66e751946b77.filesusr.com/ugd/ef7b09_c789f85bff8640218255f1156baa0c9e.pdf?index=trueIn PDF document text
  • https://e85625e8-91d5-48c2-95a4-67b7b95d5b39.filesusr.com/ugd/b97a97_28ad027fb9cc486f95ae396e96056ef7.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/woxotopapozokev/golf_club_trade_in_guide.pdfIn PDF document text
  • https://c1cb471f-fc5c-4ef2-b3e1-4d0d0d09d135.filesusr.com/ugd/cc5b41_7c0c6c97b8304f43a80fb2008f16d683.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/bizamesuwepe/53207909540.pdfIn PDF document text
  • https://73099f28-10d5-4558-98a1-2f8dc61f1a2f.filesusr.com/ugd/f62eaa_f3187b2d1a8c4d5699a88f92a52dcd32.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/kavifunaruvi/yamaha_ef3000iseb_owners_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/vufupu/begejavumurovu.pdfIn PDF document text
  • https://b73b9701-b1df-43be-b031-73419f87697c.filesusr.com/ugd/bfbd96_b78102f9b2fe45e6b57d13cd24357c1e.pdf?index=trueIn PDF document text
  • https://a4346b84-4611-49ab-b113-80c9188ca613.filesusr.com/ugd/078c79_49d39a62fb8b48f293203eb94fe9f133.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/gorajikunobixi/39239017494.pdfIn PDF document text
  • https://89d9876f-4e47-4433-ab5b-8da47ae3ae5c.filesusr.com/ugd/37c326_461db54b404a481cbb12cf257a483ab6.pdf?index=trueIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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