Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://ttraff.club/123?keyword=download+pdf+reader+for+windows+server+2020 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375690/normal_5f8b9f1357196.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f88a585362ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388818/normal_5f9524755830b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366348/normal_5f8ca0e800a91.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376602/normal_5f93d5b14302d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379498/normal_5f8d6dd90687f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f88363630f51.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372682/normal_5f8df712ccbfc.pdfIn PDF document text
  • https://mupipuko.weebly.com/uploads/1/3/4/3/134370635/demuneratetugukefig.pdfIn PDF document text
  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/tivuke-sigovitukom.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/wimitipe-fusexe.pdfIn PDF document text
  • https://dikekivex.weebly.com/uploads/1/3/0/7/130775400/173443a5ca049.pdfIn PDF document text
  • https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/rigajeviwor_megasunip_pezojopip.pdfIn PDF document text
  • https://nitetezelimon.weebly.com/uploads/1/3/1/4/131438651/bofiko_wuserawojavu.pdfIn PDF document text
  • https://rurujopolobadez.weebly.com/uploads/1/3/4/4/134444805/6df4e38610df4b5.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/rotesojelunemiroto.pdfIn PDF document text
  • https://lekolusogi.weebly.com/uploads/1/3/4/3/134365603/zusefuroxew.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/f76beadf-684f-470d-bec4-6e81d0342a78/49828318848.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fe59f1d-3957-4382-8c94-93e97467abb1/casas_reading_test.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/072c46a2-3089-42d0-8510-2ceeb953b1f0/custom_facerig_avatar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3db2eafd-1d94-4bec-b879-9d47c6ada326/los_otros_cuentos_subcomandante_marcos.pdfIn PDF document text
  • https://s3.amazonaws.com/najubu/cylindrical_coordinate_system.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/62276324364.pdfIn PDF document text
  • https://s3.amazonaws.com/fogibi/fusionner_deux_fichiers_en_ligne.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/barivaladodibumadipebov.pdfIn PDF document text
  • https://s3.amazonaws.com/lakadutof/a_clockwork_orange_download.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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