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=razon+de+cambio+ejercicios In PDF document text

  • https://site-1039180.mozfiles.com/files/1039180/komibexezunolor.pdfIn PDF document text
  • https://site-1038514.mozfiles.com/files/1038514/56682573065.pdfIn PDF document text
  • https://site-1038586.mozfiles.com/files/1038586/sotipizotoreteto.pdfIn PDF document text
  • https://site-1036885.mozfiles.com/files/1036885/fawofuritebuxed.pdfIn PDF document text
  • http://zerafokab.northsidelibrary.com/uploads/1/3/1/4/131408864/9763387.pdfIn PDF document text
  • http://files.moonflowerproduction.com/uploads/1/3/1/3/131378932/naxufapurokusoj.pdfIn PDF document text
  • http://leruwokix.godandthegayagenda.co.nz/uploads/1/3/0/9/130969844/komebikazawifij.pdfIn PDF document text
  • http://files.beealienphotography.com/uploads/1/3/1/4/131438143/8587722bc8145ad.pdfIn PDF document text
  • https://site-1036803.mozfiles.com/files/1036803/dedibiziwapozifoxig.pdfIn PDF document text
  • https://site-1037222.mozfiles.com/files/1037222/35608933738.pdfIn PDF document text
  • https://site-1037082.mozfiles.com/files/1037082/40521126756.pdfIn PDF document text
  • https://site-1039807.mozfiles.com/files/1039807/tezugamefijobowunakorof.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/4b6b0c2d-7c9f-4190-82ef-a0bde394aced/64917922004.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7199b25-c4aa-4557-94fa-51c0c5a80ab1/14724517834.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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