Malicious PDF — malware analysis report

Heuristics 4

• 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 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://gettraff.ru/strik?keyword=siemens+speedstream+4100+replacement In PDF document text

  • https://site-1043406.mozfiles.com/files/1043406/20744266059.pdfIn PDF document text
  • https://site-1037235.mozfiles.com/files/1037235/mizad.pdfIn PDF document text
  • http://files.immunenations.com/uploads/1/3/1/8/131856131/6160510.pdfIn PDF document text
  • http://jasofir.savedanyway.com/uploads/1/3/2/6/132695569/kakinenozevo_deded_mijuneleza_faxonozijufabi.pdfIn PDF document text
  • http://files.angkorvetclinic.com/uploads/1/3/2/7/132740951/pajuvakilobinub-wovevuradi.pdfIn PDF document text
  • http://files.amykaissar.com/uploads/1/3/1/8/131856382/filolosasaja.pdfIn PDF document text
  • https://site-1044027.mozfiles.com/files/1044027/69121369850.pdfIn PDF document text
  • https://site-1042776.mozfiles.com/files/1042776/2491555041.pdfIn PDF document text
  • https://site-1037003.mozfiles.com/files/1037003/13638610539.pdfIn PDF document text
  • https://site-1036988.mozfiles.com/files/1036988/gigusonefesab.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004e74.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004e74.bin)
  • https://cdn.shopify.com/s/files/1/0434/9011/5748/files/cobra_kai_costume_toddler.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/1163/3062/files/jitigifulukubixuvev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5810/4986/files/computer_organization_and_design_5th.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0739/6000/files/59875045778.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/7967/2735/files/food_web_reading_comprehension.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_off00004e74.bin)

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