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/123?keyword=android+nestedscrollview+with+two+recyclerview In PDF document text

  • https://fezuxikazosulav.weebly.com/uploads/1/3/1/3/131398093/vosopogabufira.pdfIn PDF document text
  • https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/5887223.pdfIn PDF document text
  • https://pafuwaron.weebly.com/uploads/1/3/4/3/134385690/1034966.pdfIn PDF document text
  • https://nagifinapu.weebly.com/uploads/1/3/2/6/132696111/6cd75aa2f0add4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366625/normal_5f872035802ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387244/normal_5f91de1ff1590.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365602/normal_5f88f5f132530.pdfIn PDF document text
  • https://dokakida.weebly.com/uploads/1/3/1/3/131380589/fodogaf.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/4867245.pdfIn PDF document text
  • https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/6b78c9.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/f1dfc27.pdfIn PDF document text
  • https://tewubituzidebu.weebly.com/uploads/1/3/4/3/134359488/f372711.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381971/normal_5f8da5939315c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369784/normal_5f8904354ccaa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373983/normal_5f895018f2fd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392457/normal_5f90cec787c06.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f8a40e984ec4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366993/normal_5f91dcd437c6a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384836/normal_5f8f9abb4bc8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372104/normal_5f8ef476741de.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369784/normal_5f8f4dd676c83.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d15.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d15.bin)
  • https://s3.amazonaws.com/sepawi/41342288982.pdfIn PDF document text
  • https://s3.amazonaws.com/sulasatevirexo/63233856994.pdfIn PDF document text
  • https://s3.amazonaws.com/buxoparadazegu/aetobatus_narinari.pdfIn PDF document text
  • https://s3.amazonaws.com/mubemutolewe/benadryl_ampola_bula.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_off00006d15.bin)

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