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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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
• 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://bologen.ru/wix?keyword=chapter+10+answers+geometry PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4470553/normal_5feaf3080059a.pdfIn PDF document text
  • https://dowusasetitemej.weebly.com/uploads/1/3/4/3/134307927/cce84ce2.pdfIn PDF document text
  • http://madoxorijegobe.sportsontheweb.net/coleman_powermate_generator_instructions.pdfIn PDF document text
  • https://zisatusomet.weebly.com/uploads/1/3/4/8/134872515/xufikorefawix.pdfIn PDF document text
  • http://edaruzal.xyz/wholesale_and_retail_meat_cuts_worksvibhh.pdfIn PDF document text
  • http://stnold.com/superstar_life_hackswblhf.pdfIn PDF document text
  • https://kifenefaru.weebly.com/uploads/1/3/4/3/134327755/1936931.pdfIn PDF document text
  • http://meblik.su/microsoft_powershell_virusyj5bo.pdfIn PDF document text
  • http://rodsfish.club/9552875460355022.pdfIn PDF document text
  • https://koredude.weebly.com/uploads/1/3/1/4/131406285/mikezo.pdfIn macro / runtime command snippet
  • https://static.s123-cdn-static.com/uploads/4461245/normal_5fdfd480b928a.pdfIn macro / runtime command snippet
  • http://kungfumalibu.com/ahmednagar_district_maphsj3o.pdfIn PDF document text
  • http://lumobumekola.getenjoyment.net/schlage_keyless_door_lock_change_battery.pdfIn PDF document text
  • http://unityfree.xyz/ssc_chsl_2018_answer_keymxklg.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387031/normal_600e793840a01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4456114/normal_6030295013f03.pdfIn PDF document text
  • https://nevutero.weebly.com/uploads/1/3/4/7/134716167/585e2957d.pdfIn PDF document text
  • https://wanomumopanud.weebly.com/uploads/1/3/1/3/131379193/3482024.pdfIn PDF document text
  • http://rodsfish.club/9552875460355In macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://jisijuvod.myartsonline.com/synonyms_worksheet_for_grade_3.pdfIn 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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