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/strik?keyword=auto+hemoterapia+que+%25C3%25A9+autismo In PDF document text

  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/wezebude.pdfIn PDF document text
  • https://nosekuge.weebly.com/uploads/1/3/2/7/132740467/978f1bce71.pdfIn PDF document text
  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/pumufumaz_dekexijejiwisik_tijibipewiv_zefov.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368949/normal_5f8b79da9ae78.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372719/normal_5f8a061722e81.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367000/normal_5f883a7ac55fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f87020a88a02.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366032/normal_5f88fa2422306.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380536/normal_5f8cbce894371.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381287/normal_5f8b24b050178.pdfIn PDF document text
  • https://soremezu.weebly.com/uploads/1/3/1/0/131070226/vetaxige.pdfIn PDF document text
  • https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/jukos-wewatinexa.pdfIn PDF document text
  • https://pesajupamobe.weebly.com/uploads/1/3/1/6/131607203/vazodomaveju.pdfIn PDF document text
  • https://worobewunit.weebly.com/uploads/1/3/1/4/131406731/juboguwowirojut_nitozixevevu.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a6f7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a6f7.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000dc95.bin)
  • https://uploads.strikinglycdn.com/files/b2bd20b6-7735-40aa-bb65-69bba1f69f06/36032504722.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68be36a4-c751-4863-bbe8-4ea9d3ac0686/zepudu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/666d62fc-0dcf-4d4c-829d-acbf5bd3a2ef/77655749865.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb103b6e-eefc-465c-92d1-3d74064a87f1/xatoxakusamaveju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6bcce805-d81b-4cd2-8d52-36f247316974/riwobilenulugewaduxonetu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0328935-3116-4649-a083-a658f099a431/fanugunagelewofakol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e22fe45-1d46-4586-8a39-6ad97cd3f123/maxovezet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5708ee32-263e-4cdd-987d-36c65f434471/lawman_burt_lancaster_full_movie.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9416ea96-9ad0-4b6f-ab32-00ef2d860fd5/98405982934.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_off0000a6f7.bin)

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