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://traffset.ru/123?keyword=how+to+draw+donald+duck+from+kingdom+hearts PDF link annotation

  • https://xetutinafo.weebly.com/uploads/1/3/0/7/130775845/6023098.pdfIn PDF document text
  • https://dodawuwaxa.weebly.com/uploads/1/3/4/3/134305805/3903462.pdfIn PDF document text
  • https://nezemugobif.weebly.com/uploads/1/3/4/5/134519414/1273222.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/logisa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404122/normal_5f922fafe905b.pdfIn PDF document text
  • https://jokonufukitis.weebly.com/uploads/1/3/4/3/134399540/1746737.pdfIn PDF document text
  • https://nikokabiliru.weebly.com/uploads/1/3/1/4/131409463/33a68d70cb.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/rorebidesaw.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000701a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000701a.bin)
  • https://uploads.strikinglycdn.com/files/2e08d257-e158-4122-aacd-ca80f927e0c4/94707876404.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21cb0b2c-f78a-4763-91db-459fcdbe469a/smallville_season_5_torrent.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0866cd1-f194-49c8-8bca-30794933fca3/18118790009.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ea6bce7-982f-4898-8d31-8559bfae025a/teilung_wort_problem_arbeitsblatt.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a2477dd-4b9b-4039-8678-987635ee35d9/97545506915.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_off0000701a.bin)

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