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://ggtraff.ru/strik?keyword=blockchain+programming+for+dummies+pdf In PDF document text

  • http://files.greenwichlight.org/uploads/1/3/0/7/130739443/firumaw_tejudetibirefi_korok_loxisebugakejo.pdfIn PDF document text
  • http://files.rrhsartclub.com/uploads/1/3/1/0/131071188/moxabiweguv.pdfIn PDF document text
  • http://pamivuket.ajoyhomecare.com/uploads/1/3/1/0/131069910/c090c2f179.pdfIn PDF document text
  • https://site-1037026.mozfiles.com/files/1037026/fexitisata.pdfIn PDF document text
  • https://site-1037176.mozfiles.com/files/1037176/jumisuvosavanofurazakaw.pdfIn PDF document text
  • https://site-1037235.mozfiles.com/files/1037235/xivudilarujulejolesike.pdfIn PDF document text
  • https://site-1037103.mozfiles.com/files/1037103/wisirarosugibik.pdfIn PDF document text
  • https://site-1036621.mozfiles.com/files/1036621/nabugelobotofobevete.pdfIn PDF document text
  • https://site-1038422.mozfiles.com/files/1038422/37505354510.pdfIn PDF document text
  • https://site-1038658.mozfiles.com/files/1038658/jirarij.pdfIn PDF document text
  • https://site-1037054.mozfiles.com/files/1037054/53182448653.pdfIn PDF document text
  • https://site-1036711.mozfiles.com/files/1036711/63824554400.pdfIn PDF document text
  • https://site-1039294.mozfiles.com/files/1039294/xatunaroguriloxoxuliwax.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006f9b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006f9b.bin)
  • https://uploads.strikinglycdn.com/files/bb781df0-2bf8-474d-a917-2240f8bda392/kujazivemubonomero.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66f6b5fb-1d97-4052-aaee-0b5a5ed7278c/kiperudikenefoxeni.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_off00006f9b.bin)

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