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=astm+e203+pdf In PDF document text

  • https://site-1036925.mozfiles.com/files/1036925/16169422912.pdfIn PDF document text
  • https://site-1037228.mozfiles.com/files/1037228/teguxeduzefonu.pdfIn PDF document text
  • https://site-1036731.mozfiles.com/files/1036731/77598181534.pdfIn PDF document text
  • https://site-1038852.mozfiles.com/files/1038852/36367519885.pdfIn PDF document text
  • https://site-1038920.mozfiles.com/files/1038920/49076582897.pdfIn PDF document text
  • http://files.morlinaevents.com/uploads/1/3/1/4/131407102/6b0f44eb6c0.pdfIn PDF document text
  • http://files.sarnetfl.com/uploads/1/3/0/7/130776525/a7a2ed9e4caea8e.pdfIn PDF document text
  • http://volijutod.heathervillari.com/uploads/1/3/0/7/130739173/3d75994192.pdfIn PDF document text
  • http://files.mattfriendtruck.com/uploads/1/3/1/3/131380467/tubitenekufag.pdfIn PDF document text
  • http://filim.trainingmadefair.com/uploads/1/3/1/3/131397971/cfc8546422.pdfIn PDF document text
  • http://files.lilydobb.com/uploads/1/3/1/0/131071062/668d1460b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000661f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000661f.bin)
  • https://cdn.shopify.com/s/files/1/0434/7317/4693/files/pomewujez.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2381/3789/files/liftmaster_gate_opener_manual.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_off0000661f.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00009cee.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00009cee.bin)

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