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=fiche+technique+pisciculture+hors+sol+pdf In PDF document text

  • https://site-1038532.mozfiles.com/files/1038532/28499411948.pdfIn PDF document text
  • https://site-1038985.mozfiles.com/files/1038985/23809880291.pdfIn PDF document text
  • https://site-1037178.mozfiles.com/files/1037178/19616747851.pdfIn PDF document text
  • https://site-1037215.mozfiles.com/files/1037215/22914764787.pdfIn PDF document text
  • https://site-1036996.mozfiles.com/files/1036996/72326430193.pdfIn PDF document text
  • https://site-1038880.mozfiles.com/files/1038880/zakafaduwogopu.pdfIn PDF document text
  • https://site-1036879.mozfiles.com/files/1036879/91497653218.pdfIn PDF document text
  • https://site-1036751.mozfiles.com/files/1036751/60357557688.pdfIn PDF document text
  • https://site-1036693.mozfiles.com/files/1036693/59479534962.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005944.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005944.bin)
  • https://uploads.strikinglycdn.com/files/0ab7ea77-9d69-4cbb-84f7-6b32debed265/danegol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e2958b6-de97-4171-9d6f-4b293cb60e96/90264253234.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0081/4998/files/mhgen_coal_hearted.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8180/9558/files/8343111550.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/3943/8501/files/gemekuteruvopuguvijalibug.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_off00005944.bin)

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