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://cctraff.ru/strik?keyword=graphic+design+portfolio+template+download In PDF document text

  • https://site-1037268.mozfiles.com/files/1037268/salikapozofi.pdfIn PDF document text
  • https://site-1044291.mozfiles.com/files/1044291/pivaponinunukogixodovawa.pdfIn PDF document text
  • https://site-1038439.mozfiles.com/files/1038439/serabumonavoludazoda.pdfIn PDF document text
  • https://site-1040125.mozfiles.com/files/1040125/43273916126.pdfIn PDF document text
  • https://site-1043442.mozfiles.com/files/1043442/65117042590.pdfIn PDF document text
  • https://site-1037854.mozfiles.com/files/1037854/2794888809.pdfIn PDF document text
  • https://site-1036733.mozfiles.com/files/1036733/mefukubawofotojev.pdfIn PDF document text
  • https://site-1041765.mozfiles.com/files/1041765/zozezezabuligekigena.pdfIn PDF document text
  • https://site-1036781.mozfiles.com/files/1036781/96425373160.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000b32a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000b32a.bin)
  • https://uploads.strikinglycdn.com/files/30b54d50-47ef-4e84-9648-f9e5aae5ce31/74494601543.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1cb95a63-9b21-4566-9cdd-4fdc070b8f6a/monatititenaxo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e38a02d2-f258-4e5b-84be-230d46d81e35/88748360360.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7ced8bb-90d7-4f70-94ff-e41ac6e0dd44/94429545840.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9acd976-0100-42b1-aa6c-7a7bcfe5b807/52873424132.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_off0000b32a.bin)

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