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://traffnew.ru/strik?keyword=american+tall+tales+k12 PDF link annotation

  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/6119011.pdfIn PDF document text
  • https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/fesapapuzodut.pdfIn PDF document text
  • https://gizojobov.weebly.com/uploads/1/3/4/4/134436228/7449095.pdfIn PDF document text
  • https://jibametugo.weebly.com/uploads/1/3/4/4/134486067/xazigafajurixe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377678/normal_5f912aaea271a.pdfIn PDF document text
  • https://wimolakerozer.weebly.com/uploads/1/3/4/4/134448160/nulozizujir.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369788/normal_5f9e7c098089e.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/86d07471-3f05-4bc0-adaa-08400cdfb527/moler.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dacb47dd-2d2a-42c0-a5ef-3c0e0602081f/38708999626.pdfIn PDF document text
  • https://s3.amazonaws.com/garorowa/towedagafo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d1170c1-193c-4cc1-9593-54a8d90389c0/map_of_florida_springs_parks.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4c0508b-252b-41be-bbcf-c7365d90a689/zazifewamedemamimafazoxur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/921191bf-58fe-4521-90ad-4539c622a672/31323237054.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d962fc8-b5e5-45f8-9ff3-e09e46e5c057/girl_japanese_names_generator.pdfIn PDF document text
  • https://s3.amazonaws.com/lanorolowu/vehicle_tracking_system_project.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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