Malicious PDF — malware analysis report

Heuristics 4

• 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 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://ggtraff.ru/wb?keyword=rodeo%202020%20houston%20dates%20line%20up In PDF document text

  • https://liguroxuf.weebly.com/uploads/1/3/4/4/134443360/72c0145.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401989/normal_5f9272ebc12c9.pdfIn PDF document text
  • https://pevugubak.weebly.com/uploads/1/3/2/7/132740457/penodiw-tiregolugu-vafas.pdfIn PDF document text
  • https://lisiladojorinin.weebly.com/uploads/1/3/0/8/130874519/7203105.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385614/normal_5f99ff5460c43.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/batagebexi.pdfIn PDF document text
  • https://poxanopa.weebly.com/uploads/1/3/4/3/134380657/4b4ab514b.pdfIn PDF document text
  • https://s3.amazonaws.com/divexikav/31145004959.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387701/normal_5f9c7929d9bb8.pdfIn PDF document text
  • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/15e006e8c48f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384167/normal_5f9f1d654b2d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369189/normal_5f90b0d6076a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370309/normal_5f9bae17b82e4.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/39504914068.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367290/normal_5f8743baab6fa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006e3f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006e3f.bin)
  • 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_off00006e3f.bin)

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