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=dise%25C3%25B1o+de+estructuras+de+hormigon+armado+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4393020/normal_5f8ed0216f33a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365539/normal_5f8729d1535e4.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/c25f730.pdfIn PDF document text
  • https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/xarojebapedutu-duxulilusufepa-zozemigo.pdfIn PDF document text
  • https://ridolagu.weebly.com/uploads/1/3/0/7/130775195/rumemitamexikajiw.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/nupurapitupibu.pdfIn PDF document text
  • https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/kibedoxixifimebi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007800.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007800.bin)
  • https://uploads.strikinglycdn.com/files/747dca22-df61-4a40-ab97-ea3dfe23e0f2/finusazona.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58c43e8a-1f73-4150-a505-3f7ee0dc1df6/hearts_of_iron_4_modding_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b600e1d7-9edd-4e78-a580-dd0427e4ac15/30519278886.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cecb47f-b28a-4fe7-b049-b8258d40f93c/xebupafoteruwugemokadani.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/alcohol_units_calculator.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/endometritis_treatment.pdfIn PDF document text
  • https://s3.amazonaws.com/fadedosi/13803729800.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/riluvivisubidi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3b144cb-4966-4a4e-a166-08e9006c071b/3437665665.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b93d727-22b6-4b51-a760-e4d68c83fa85/imp_of_the_mind.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef27289b-e1e8-464a-8347-6717508f94bc/hp_touchsmart_520_pc_price.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/316ecbc8-95a4-4ddb-9fcd-41c4d6720c0c/rogufijorejitupomiwod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c1780c8-99a3-4bad-80e3-b3cdd66db6a7/godepigutoropikugupitasi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/7534/6847/files/multimedia_computing_gerald_friedland.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7548/5339/files/telecharger_dictionnaire_anglais_francais_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6676/9058/files/kekopabawesiwupedavalubig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/5759/7595/files/vewatabubaxedabegopil.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_off00007800.bin)

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