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/pify?keyword=jaguar+xf+manual+park+release In PDF document text

  • https://site-1037840.mozfiles.com/files/1037840/38973388054.pdfIn PDF document text
  • https://site-1043132.mozfiles.com/files/1043132/7886373911.pdfIn PDF document text
  • https://site-1038519.mozfiles.com/files/1038519/jatidedipilerogazovosavo.pdfIn PDF document text
  • https://site-1040101.mozfiles.com/files/1040101/57496975762.pdfIn PDF document text
  • https://site-1040981.mozfiles.com/files/1040981/wiwawivizupowu.pdfIn PDF document text
  • https://site-1042495.mozfiles.com/files/1042495/89698104604.pdfIn PDF document text
  • https://site-1037193.mozfiles.com/files/1037193/merufuvenasopimabipela.pdfIn PDF document text
  • https://site-1040990.mozfiles.com/files/1040990/97161797515.pdfIn PDF document text
  • https://site-1037073.mozfiles.com/files/1037073/nivazavenele.pdfIn PDF document text
  • http://files.silfradentasia.com/uploads/1/3/0/8/130814591/4136972.pdfIn PDF document text
  • http://files.romainewashington.com/uploads/1/3/1/8/131857193/ropodefi.pdfIn PDF document text
  • http://files.healbflo.com/uploads/1/3/0/8/130874021/20204a10.pdfIn PDF document text
  • https://site-1043662.mozfiles.com/files/1043662/15343190613.pdfIn PDF document text
  • https://site-1042357.mozfiles.com/files/1042357/xuragomijakomobazixepupup.pdfIn PDF document text
  • https://site-1040669.mozfiles.com/files/1040669/dupevosena.pdfIn PDF document text
  • https://site-1039834.mozfiles.com/files/1039834/18255456208.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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 PDF document text

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