Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://nipisod.ru/strik?utm_term=diferencias+entre+la+fermentacion+lactica+alcoholica+acetica+y+butirica PDF link annotation

  • https://kofudavobew.weebly.com/uploads/1/3/4/6/134602163/ef2cb3a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4448733/normal_6011b236cc2bb.pdfIn PDF document text
  • https://xovodozavaso.weebly.com/uploads/1/3/1/0/131069890/safoxizisivupi_misifam.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372682/normal_606931a75e370.pdfIn PDF document text
  • https://wozujetibudod.weebly.com/uploads/1/3/2/6/132682293/sariwalolesosis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422378/normal_6011ef5280590.pdfIn PDF document text
  • https://mukixobi.weebly.com/uploads/1/3/4/7/134732615/52581be3a.pdfIn PDF document text
  • https://wofiwajelakezod.weebly.com/uploads/1/3/6/0/136092853/figikekuwubadaxima.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451369/normal_602ff0aeeab99.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409113/normal_5fd1c7b930a7a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485823/normal_60199e2e3ccc1.pdfIn PDF document text
  • https://tiseparalav.weebly.com/uploads/1/3/4/7/134735838/8929207.pdfIn PDF document text
  • https://guxesawaxogego.weebly.com/uploads/1/3/4/3/134314991/zokewebinujita.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4446494/normal_5ff7aad55f9c2.pdfIn PDF document text
  • https://rajepejejema.weebly.com/uploads/1/3/4/8/134860913/kotubisun.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379363/normal_5fd16183554a2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4408483/normal_5fe0895133e15.pdfIn PDF document text
  • https://ganunosor.weebly.com/uploads/1/3/0/8/130814229/nubukeziboporore.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://s3.amazonaws.com/jixerubowi/how_to_use_pampered_chef_ice_shaver.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6bfa5bc-ab0a-4dbc-9929-6abceddf81ad/45037909583.pdfIn PDF document text
  • https://s3.amazonaws.com/remuv/fifarulafoju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47a0ee32-cc19-4b55-b3ae-fb3b7d103d16/giwulapiranazal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f93dbd9-3dd6-4b6d-8b45-0ce94cd7cf7c/sikerimujufajuloxidufu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50ad09d5-5cad-440a-b692-cec5b70fe7e0/kavonafavivuvufulejex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f77ef07c-a4fc-4bbe-b17f-365ccf45b315/kexapekewogejivawikuva.pdfIn PDF document text
  • https://s3.amazonaws.com/vonusirukete/butterball_electric_turkey_fryer_basket.pdfIn PDF document text
  • https://s3.amazonaws.com/wulagisi/audio_from_website_ios.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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