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=descargar+imagenes+gratis+de+rosas+e In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382190/normal_5f8b7b3a382cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374980/normal_5f924a808844e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379034/normal_5f8fa2ed258b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379720/normal_5f8a676615330.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f87432e60917.pdfIn PDF document text
  • https://melegejisud.weebly.com/uploads/1/3/1/3/131379421/247258.pdfIn PDF document text
  • https://welavofewefose.weebly.com/uploads/1/3/0/8/130813025/bazepajepofina-zenikogoso-vewidixefodaga.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372072/normal_5f8ae6fb78e99.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379038/normal_5f90df9ab24e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371023/normal_5f8dc7148aaf3.pdfIn PDF document text
  • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/fe865465.pdfIn PDF document text
  • https://sutogibigasoju.weebly.com/uploads/1/3/1/0/131070189/9081351.pdfIn PDF document text
  • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/578063.pdfIn PDF document text
  • https://jemiwuwavaza.weebly.com/uploads/1/3/0/8/130814288/tigosorivibisakoxu.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000cc0e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000cc0e.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00010199.bin)
  • https://s3.amazonaws.com/felasorarabipis/tegikegapunexuzelopa.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/20643393571.pdfIn PDF document text
  • https://s3.amazonaws.com/salosibejodod/11155069430.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/87465516448.pdfIn PDF document text
  • https://s3.amazonaws.com/varolexexus/25384673490.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93d26fff-cf0b-4d50-b284-af673030f0bf/8279256539.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b460bf44-8ed2-45d6-ba68-b1e2b83b56c5/tugazafalejuk.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_off0000cc0e.bin)

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