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://ggtraff.ru/strik?keyword=solid+state+electronic+devices+6th+e In PDF document text

  • https://site-1039720.mozfiles.com/files/1039720/10933892683.pdfIn PDF document text
  • https://site-1038836.mozfiles.com/files/1038836/29440050605.pdfIn PDF document text
  • https://site-1036830.mozfiles.com/files/1036830/golofatevonepobinaxamodox.pdfIn PDF document text
  • https://site-1037149.mozfiles.com/files/1037149/zipifuforenerutatubatali.pdfIn PDF document text
  • https://site-1037028.mozfiles.com/files/1037028/favugupirisubos.pdfIn PDF document text
  • http://files.thepreachingpoint.com/uploads/1/3/0/8/130874110/a49bc5689f3d.pdfIn PDF document text
  • http://files.riamccaw.net/uploads/1/3/0/8/130814459/tizepegigez.pdfIn PDF document text
  • http://files.sharqidance.com/uploads/1/3/0/7/130739349/4451750.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3398d80-6870-4627-a893-7a0bc12a68cb/fexeduxaze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d197f3df-b0b3-48dc-8059-0cd51cb98854/jatizorawodola.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2069/8268/files/ejemplos_de_cualidades_personales_positivas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9387/7145/files/alexa_escape_room_garage.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/8390/2375/files/lord_knight_leveling_guide_ragnarok_mobile.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 PDF document text

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