Malicious PDF — malware analysis report

Heuristics 5

• 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://trafficel.ru/wb?keyword=dark%20souls%203%20pyromancer%20leveling%20guide PDF link annotation

  • https://paxesejok.weebly.com/uploads/1/3/4/3/134348383/mobeniguf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374978/normal_5f8fcb0c25941.pdfIn PDF document text
  • https://s3.amazonaws.com/zabevog/52878115200.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/81533637069.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000067e8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000067e8.bin)
  • https://uploads.strikinglycdn.com/files/7858459e-3ab8-44ef-9786-e5b418e475aa/19168239555.pdfIn PDF document text
  • https://pupirod.files.wordpress.com/2020/11/nozemapopumetuve.pdfIn PDF document text
  • https://dutekosakiwe.files.wordpress.com/2020/11/54764470075.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dfe9fb64-dece-4cb7-91d8-dffb0e2db8bc/traductor_ingles_espanol_gratis_babylon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03296bd4-4579-441d-b6cc-637b1ce86354/jalejedinenifoz.pdfIn PDF document text
  • https://pokavatirog.files.wordpress.com/2020/11/juveki.pdfIn PDF document text
  • https://vivuvegutofo.files.wordpress.com/2020/11/star_spangled_banner_trumpet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c11ffc5d-7a92-4737-afc6-ae726f98fc71/90300129709.pdfIn PDF document text
  • https://dilopipo.files.wordpress.com/2020/11/demetivudaxakoleze.pdfIn PDF document text
  • https://rezekine.files.wordpress.com/2020/11/tatojesanawav.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 extracted file (font_00_sfnt_off000067e8.bin)

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