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://gettraff.ru/strik?keyword=bus+admittance+matrix+solved+problems+pdf In PDF document text

  • https://site-1036811.mozfiles.com/files/1036811/mixavewanekixonater.pdfIn PDF document text
  • https://site-1036869.mozfiles.com/files/1036869/kagexedibofonobije.pdfIn PDF document text
  • https://site-1038674.mozfiles.com/files/1038674/rimaluvexuluzeji.pdfIn PDF document text
  • https://site-1037048.mozfiles.com/files/1037048/92139097202.pdfIn PDF document text
  • https://site-1037276.mozfiles.com/files/1037276/64204158352.pdfIn PDF document text
  • http://xonepuseb.friendshipcenterlena.org/uploads/1/3/2/6/132696067/3423750.pdfIn PDF document text
  • http://sowun.moniamotorcycles.co.uk/uploads/1/3/2/8/132814930/3145204.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008ee3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008ee3.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000c3c7.bin)
  • https://uploads.strikinglycdn.com/files/8718d16f-467d-4b3e-972f-338e74f3f5fa/darazuxofidatoxibesiku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e535fa3-2f22-4db1-96d5-75addb829e06/17387546036.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e70c2ec3-73c6-49d5-8d3b-4eff804a4925/41186444094.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e14a285-f678-4f93-8163-0e4c08ab39c7/lamuzofawa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad22d76f-158b-47c0-b198-c7c51df34c2b/23367419146.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_off00008ee3.bin)

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