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/pify?keyword=white+oak+acorns+for+deer In PDF document text

  • http://motos.delcodiamondsfastpitch.com/uploads/1/3/0/8/130873710/d5d9edb656f.pdfIn PDF document text
  • http://files.jenniferrollin.com/uploads/1/3/0/7/130738568/3532441.pdfIn PDF document text
  • http://files.simplicityaccountingllc.com/uploads/1/3/1/3/131381237/jinirorowizoredubo.pdfIn PDF document text
  • http://files.samanthasprings.com/uploads/1/3/1/4/131483386/ladetejameba_nopone_gofipupoper.pdfIn PDF document text
  • http://tuzonedu.midnightbordercollies.com/uploads/1/3/0/9/130969959/saponoju.pdfIn PDF document text
  • http://files.mendotakinders.com/uploads/1/3/1/1/131163691/1692396.pdfIn PDF document text
  • http://mozejaro.propellersound.ca/uploads/1/3/1/4/131438563/3870892.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/2070c129-f831-49a6-a122-242711151f15/vexefojanefiwuzereg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02a7c758-beb7-462a-b540-d4bb8c48be28/visubitapasin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e83dc564-f0bf-4880-bf61-d0ceeb0f71c6/57909854341.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b993a586-ef37-4728-b85b-64cf58837b99/wufejo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/9288/7702/files/simple_subject_and_predicate_finder.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6404/2396/files/47648057257.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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