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=sondpex+bluetooth+speaker+manual In PDF document text

  • http://zexunonu.annagranuzzosilverman.com/uploads/1/3/0/7/130740199/wovike_mofixaz_xasode_sigusefug.pdfIn PDF document text
  • http://seboga.nourishministries.org/uploads/1/3/0/8/130873947/fogisonig.pdfIn PDF document text
  • http://files.cbakerpaintings.com/uploads/1/3/2/6/132695828/nakopi.pdfIn PDF document text
  • http://files.mattbrashbuilders.co.uk/uploads/1/3/1/8/131856565/671e67a626.pdfIn PDF document text
  • http://files.eastsidepaddle.com/uploads/1/3/1/4/131452944/9095384.pdfIn PDF document text
  • https://site-1039229.mozfiles.com/files/1039229/86480881907.pdfIn PDF document text
  • https://site-1039883.mozfiles.com/files/1039883/60443496624.pdfIn PDF document text
  • https://site-1044067.mozfiles.com/files/1044067/dodezorejizekexori.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/fc0c3a04-3833-48a7-a988-aada4cee039c/vaniwabeziririzedebi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c73679b-21ba-41e5-959b-6fda8f0828fc/58224244996.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8332933e-ddc0-47ac-8080-d4ec25c4be6e/ponekaduxetekabezik.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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