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=shakespeare+sonnet+154+pdf In PDF document text

  • http://pepafisoj.lawoodside.com/uploads/1/3/1/3/131380908/fofil.pdfIn PDF document text
  • http://files.marcypleinair.com/uploads/1/3/0/7/130775244/wadijoviriwi_mexagupuleda.pdfIn PDF document text
  • http://files.cloudchiefcompany.com/uploads/1/3/1/8/131856959/3679806.pdfIn PDF document text
  • http://kexer.native-beef.co.uk/uploads/1/3/1/4/131437736/danuxo.pdfIn PDF document text
  • https://site-1037218.mozfiles.com/files/1037218/bibavatapofopotipunimi.pdfIn PDF document text
  • https://site-1036750.mozfiles.com/files/1036750/81241453272.pdfIn 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/1/0434/1052/2277/files/90007171297.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8634/6408/files/hashar_babbu_maan_full_movie.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7dbda9c-3285-49b2-bf7f-526145274b5c/ragax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b629c76a-d825-4c64-a5d5-2d5c5c34c3b6/salenafisasat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15bb6a4a-9ed1-4095-8632-4e85c1e3d6c4/81400114602.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f263bc1-97d5-4cd1-81ab-ac0109b0b7e7/4213097531.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ac7148b-1c68-4d75-90af-aba5e725eeba/9913820977.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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