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=download+tes+psikotes+wartegg+pdf In PDF document text

  • http://files.boonecountyhumanesociety.org/uploads/1/3/2/8/132814086/8740564.pdfIn PDF document text
  • http://files.mindwarehouseconnect.com/uploads/1/3/1/3/131380564/3303148.pdfIn PDF document text
  • http://files.stpetermodesto.org/uploads/1/3/0/8/130813747/wawazemedubati.pdfIn PDF document text
  • http://povuwidu.theletterkstore.com/uploads/1/3/2/6/132681337/2289834.pdfIn PDF document text
  • http://files.osweetnature.com/uploads/1/3/1/8/131856372/gigejel-mezono-sovezef-xejika.pdfIn PDF document text
  • http://files.mitercontracting.com/uploads/1/3/1/4/131483112/6658521.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://cdn.shopify.com/s/files/1/0483/4410/5111/files/lord_of_the_rings_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/0410/1284/files/plane_shift_kaladesh.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5344/8857/files/vepak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4639/8870/files/3529480597.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2069584a-d066-43bb-8a70-08b5f7dcc016/74828060004.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ad906b6-d429-466a-b727-b5e6757d1de8/70477971490.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/445a2270-6243-46d8-9f07-7e59a3f6a302/rixikoxuvit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f602fad-6034-469b-aaf3-2010ed7cd9e5/49830724516.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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