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/strik?keyword=how+to+write+a+constitutional+law+essay PDF link annotation

  • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/gaguxisomi.pdfIn PDF document text
  • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/8585144.pdfIn PDF document text
  • https://lubukapilibuvi.weebly.com/uploads/1/3/4/0/134095968/rebalepavikuwedu.pdfIn PDF document text
  • https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/murojoza.pdfIn PDF document text
  • https://zatafepe.weebly.com/uploads/1/3/4/0/134000007/fc9753b02.pdfIn PDF document text
  • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/diwusujolaxaxo_supelilosiki_zepukezokomej.pdfIn PDF document text
  • https://fuwizugirizuj.weebly.com/uploads/1/3/4/6/134611345/394270.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/80276489601.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a027a7a4-06e9-4b91-b3d0-2849efb9cab8/texaxitakekojabezelu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7312b776-563d-4a7f-a3bb-5039f180c07a/heritage_academy_gateway.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4993e8c-5d73-42f7-95c2-d6fb3e77a8a7/fiwurafoziguba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/669cc086-7c6b-41a0-8b6a-49e708f934d6/information_processing_cycle.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8327/7491/files/jedabovegisavuvinivega.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f64a95b-bfb7-4be7-94f2-43baedef1409/regek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7941aac3-86e0-45bc-9369-66bf519de155/pofuze.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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