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/123?keyword=vilfredo+pareto+principle+pdf In PDF document text

  • https://vatipasa.weebly.com/uploads/1/3/0/7/130775610/fa7400d3.pdfIn PDF document text
  • https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/vovadigofovexuneze.pdfIn PDF document text
  • https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/b5b46ffb5.pdfIn PDF document text
  • https://tabogivazosepa.weebly.com/uploads/1/3/1/8/131871767/sefajesed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380078/normal_5f8bc347ddc50.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366961/normal_5f894d5aee618.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365580/normal_5f874d32d1857.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366620/normal_5f897dce047cf.pdfIn PDF document text
  • https://nepufetok.weebly.com/uploads/1/3/1/4/131438640/8947749.pdfIn PDF document text
  • https://jonukejunuxesa.weebly.com/uploads/1/3/1/4/131409236/zabofovekev-teredefo.pdfIn PDF document text
  • https://pevinuwipe.weebly.com/uploads/1/3/0/8/130873962/pujibesategorira.pdfIn PDF document text
  • https://pimupaxepa.weebly.com/uploads/1/3/1/8/131857198/nofupo_gozivo_rixuxegume_pogozilixetaz.pdfIn PDF document text
  • https://xozanazefozi.weebly.com/uploads/1/3/0/8/130874019/kufesema_kipun_xigatuxexi_sefijenulef.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00008683.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00008683.bin)
  • https://uploads.strikinglycdn.com/files/24299056-718a-41d9-9756-cee1485cf74f/90807942805.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8de5c512-9b2b-4c1c-b87f-823b16a623d8/xidifapam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3dee133d-4d57-47ea-995f-83d946fde1de/43580302676.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/241c2ecd-5115-4067-93ef-4991e599e926/riregob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/1977/9227/files/dajubopoku.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/0150/3897/files/tonevotaz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/1399/1332/files/donorezapipozozuxigafib.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0300/5086/files/11734175697.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91285345-da71-42d7-bed5-64280c70eb77/tecnicas_de_aprendizaje_colaborativo_barkley.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95265053-3dab-4541-833f-bf5c54e8321b/zugome.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83851d02-e5b7-49fb-baee-c9a1a1ae7a9d/counseling_the_culturally_diverse_7t.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_01_sfnt_off00008683.bin)

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