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://cctraff.ru/strik?keyword=minecraft+pinewood+derby+car+templat In PDF document text

  • http://files.dressagestars.com/uploads/1/3/0/9/130969238/4027469.pdfIn PDF document text
  • http://bitulo.lkonsite.com/uploads/1/3/0/7/130739353/putifikose-divarunuk-kofasoruvekod-lelemiwogad.pdfIn PDF document text
  • http://sowiz.xyzform.com/uploads/1/3/1/3/131380433/1741844.pdfIn PDF document text
  • http://files.blackbirdroofingcompany.com/uploads/1/3/1/6/131608016/6671107.pdfIn PDF document text
  • http://xojije.lister-polyflex.com/uploads/1/3/1/8/131871979/kimokudemu.pdfIn PDF document text
  • http://files.mandpflooring.com/uploads/1/3/1/4/131438130/8ab03fc7218.pdfIn PDF document text
  • http://zevib.blythewaltrip.com/uploads/1/3/1/1/131164157/e19b5.pdfIn PDF document text
  • http://files.carriebburnscyrenesmrgc.com/uploads/1/3/1/3/131384412/4306153.pdfIn PDF document text
  • http://bulijex.nataliekimballfitness.com/uploads/1/3/1/6/131636665/5b6d75775.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/335fcfd1-2cf1-47e3-bb68-9ea9807d5a80/13131990449.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c393c68-b01b-4c18-8061-35c7b91027a6/88061906232.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fba3b143-69af-42ab-bfd7-38bba7e64de5/25696205187.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6391f5c-1b4d-4a41-bb10-ad256b53c20f/31915080018.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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