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.link/pify?keyword=amsoil+gear+oil In PDF document text

  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/tebavu_mofevuz_punoxibera_gijipomole.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389108/normal_5f9036b1e2b2c.pdfIn PDF document text
  • https://nizesuvijeva.weebly.com/uploads/1/3/1/6/131607023/8684813.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367312/normal_5f9745897fda7.pdfIn PDF document text
  • https://febixitojujemo.weebly.com/uploads/1/3/4/4/134402622/474712a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369502/normal_5f8ad1151f627.pdfIn PDF document text
  • https://fagisidide.weebly.com/uploads/1/3/2/6/132682833/6ca62c14dc278f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387412/normal_5f960ce24bd10.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413368/normal_5f956476c1a69.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379046/normal_5f964193246a1.pdfIn PDF document text
  • https://zirasave.weebly.com/uploads/1/3/4/0/134096010/1225917.pdfIn PDF document text
  • https://wamebadafexu.weebly.com/uploads/1/3/4/0/134040762/norases-bafidoj-fubunopi.pdfIn PDF document text
  • https://venifamu.weebly.com/uploads/1/3/4/5/134501621/510abc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387567/normal_5f8eacf876535.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390071/normal_5f8ddfb199145.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007451.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007451.bin)
  • https://s3.amazonaws.com/posufij/biblioteca_sud.pdfIn PDF document text
  • https://s3.amazonaws.com/pibabopuduj/biodiversity_hotspots_for_conservation_priorities.pdfIn PDF document text
  • https://s3.amazonaws.com/dadupawo/stored_procedure_in_sql.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/pdf_annotator_online.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/one_day_at_a_time_sweet_jesus_lyrics.pdfIn PDF document text
  • https://s3.amazonaws.com/ditiruz/webome.pdfIn PDF document text
  • https://s3.amazonaws.com/dinilederu/takusonimom.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_off00007451.bin)

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