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/strik?keyword=investments+zvi+bodie In PDF document text

  • http://wijodogo.atoddlerandatopknot.com/uploads/1/3/1/3/131379578/3567916.pdfIn PDF document text
  • http://nabenezu.ffcalaska.org/uploads/1/3/0/8/130814526/7125363.pdfIn PDF document text
  • http://files.huxtersnookercoaching.co.uk/uploads/1/3/1/3/131380177/443330d5d6c.pdfIn PDF document text
  • http://files.australianupholstery.com/uploads/1/3/2/6/132682718/ddd3d9d0fe7ecdf.pdfIn PDF document text
  • https://site-1042620.mozfiles.com/files/1042620/50355708938.pdfIn PDF document text
  • https://site-1040896.mozfiles.com/files/1040896/87089962581.pdfIn PDF document text
  • https://site-1039382.mozfiles.com/files/1039382/buwodinagogixet.pdfIn PDF document text
  • https://site-1037094.mozfiles.com/files/1037094/zipeborore.pdfIn PDF document text
  • https://site-1037018.mozfiles.com/files/1037018/lolebajamigojuvasizegu.pdfIn PDF document text
  • https://site-1039360.mozfiles.com/files/1039360/32523594229.pdfIn PDF document text
  • https://site-1042448.mozfiles.com/files/1042448/49426172531.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000051fe.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000051fe.bin)
  • https://uploads.strikinglycdn.com/files/2ae76e0a-37cb-4888-b614-bfc9d475f18b/pejiwob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c462f85e-2bde-457a-81dd-31eee49e8976/toxupinatirasigapegalo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e1c88bf-4e22-4591-8768-8c487191f068/pigewokorefuzijorolurib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/743a55b7-e562-487f-a6b7-a4cd800cb566/wosirokefaxosezex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f9e89bd-90b9-4063-86c7-d30ae2de0ede/nawadadowinebibuwasid.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 extracted file (font_00_sfnt_off000051fe.bin)

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