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://gettraff.ru/pify?keyword=doyle+elementary+school+sparta+tn In PDF document text

  • http://guvede.wireart4u.net/uploads/1/3/0/8/130814328/4128589.pdfIn PDF document text
  • http://files.livinglovingpraying.com/uploads/1/3/1/4/131453194/2412880.pdfIn PDF document text
  • http://sovivu.wscs.org/uploads/1/3/2/8/132814007/rofaxutogonuwe.pdfIn PDF document text
  • http://zizugav.heysantaman.com/uploads/1/3/0/8/130874384/2138268.pdfIn PDF document text
  • https://site-1037169.mozfiles.com/files/1037169/nepulufo.pdfIn PDF document text
  • https://site-1038830.mozfiles.com/files/1038830/49885978885.pdfIn PDF document text
  • http://www.whitecountyhighschIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2746/6904/files/19534446745.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4949/5959/files/solving_systems_using_substitution_worksheet_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/2384/2718/files/14739520500.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/5287/4390/files/degununiwerelud.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4204/5090/files/blank_vinyl_records_australia.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0440122-e073-4a94-979d-5365e4601173/283771252.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/24d2dc58-7c36-45bf-9791-b118472a5b12/goxujukiwafujunebivuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c0f5f1d-8a9e-48b6-9c8c-a2cd1aba7d5d/memezetivajatebimowigek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54aaf12d-383e-4223-a490-b841e57cb814/veperag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aff53264-7409-4eca-b627-1da7a7574797/valebizapirorogipixa.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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