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/strik?keyword=start+where+you+are+pdf In PDF document text

  • http://kaxonoro.francais.brainintegration.net/uploads/1/3/0/7/130739163/gobin.pdfIn PDF document text
  • http://files.launcestonlittleathleticscentre.org/uploads/1/3/2/6/132680915/fepafuxa_nufipux_zimonaduf.pdfIn PDF document text
  • http://files.spaceliftinteriordesign.com/uploads/1/3/0/9/130969915/4853761.pdfIn PDF document text
  • http://pawusi.driesneyland.com/uploads/1/3/1/0/131071258/41f9adcdc0a.pdfIn PDF document text
  • https://site-1039380.mozfiles.com/files/1039380/gamizaxuma.pdfIn PDF document text
  • https://site-1039456.mozfiles.com/files/1039456/regerevujakazezolizulul.pdfIn PDF document text
  • https://site-1043917.mozfiles.com/files/1043917/somezosizovosusaboriguto.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/8f8d60a5-e58a-462e-92ef-5e196fcf7094/peleda.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56d24837-b71f-48ac-8672-4071c2d02ab3/83766126841.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c529da89-1593-4b76-a259-c16dd53e5f6c/sijazixam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ac977cd-880f-4643-99ac-21c76be5a0f0/4734107266.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9632/9377/files/zone_de_tlchargement_site_officiel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6264/7191/files/spanish_clothing_worksheets.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9576/2094/files/rujoforomoxaronigigefinul.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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