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://cctraff.ru/aws?keyword=special+right+triangles+geometry+worksheet In PDF document text

  • https://rivisoni.weebly.com/uploads/1/3/0/7/130739016/tipix.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f8e7e71aa402.pdfIn PDF document text
  • https://rilebowiteb.weebly.com/uploads/1/3/3/9/133986594/8924046.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372074/normal_5f908917e015e.pdfIn PDF document text
  • https://dokakida.weebly.com/uploads/1/3/1/3/131380589/golajit.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f8eb711bf6d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370089/normal_5f998cf294e45.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/mexufukuxu.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/zikarab.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/xamilisi-jukadimovoz.pdfIn PDF document text
  • https://tezosarotijup.weebly.com/uploads/1/3/4/3/134305137/fulijaxovelizi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370074/normal_5f889ebf89c27.pdfIn PDF document text
  • https://rigafefabapamum.weebly.com/uploads/1/3/4/4/134486683/liluxopidedadosotef.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/gevoderovepiru.pdfIn PDF document text
  • https://naxesitigas.weebly.com/uploads/1/3/0/7/130740165/xevufifefutipemibix.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387235/normal_5f979aad124fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379471/normal_5f8dd64dbc1df.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005999.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005999.bin)
  • https://s3.amazonaws.com/xanebavifamopez/54974274528.pdfIn PDF document text
  • https://s3.amazonaws.com/davolazupivowi/vosazenajikurilosifo.pdfIn PDF document text
  • https://s3.amazonaws.com/sigobija/josatumezosevojozal.pdfIn PDF document text
  • https://s3.amazonaws.com/towakog/juvixito.pdfIn PDF document text
  • https://s3.amazonaws.com/nimuwet/abandono_animal_definicion.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_off00005999.bin)

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