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/123?keyword=reinforced+concrete+beam+design+pdf In PDF document text

  • https://zovijewef.weebly.com/uploads/1/3/4/4/134400079/gafimulidu.pdfIn PDF document text
  • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/8709957.pdfIn PDF document text
  • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/bofejivazibap_dubebix.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/5acab582ad41.pdfIn PDF document text
  • https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/fupepukak.pdfIn PDF document text
  • https://pibazafefudo.weebly.com/uploads/1/3/0/7/130776509/7480718.pdfIn PDF document text
  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/wobagora-tigasix.pdfIn PDF document text
  • https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/zoritupogejid.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/titefagat.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388060/normal_5f92628784ed0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368494/normal_5f8e1f35c5115.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403938/normal_5f9479e27dfc1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388169/normal_5f9529507f222.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367646/normal_5f89c12a9a0f8.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In extracted file (font_00_sfnt_off000091bc.bin)
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000099ea.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000099ea.bin)
  • https://uploads.strikinglycdn.com/files/f34d13ec-6e47-4b62-be91-77b856d59ef4/zodusitafanu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6005591d-c005-4c04-b02d-e1263faa8e32/xewifagefakadebisigen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1cc181b-489b-494b-9c41-5535f9dd6136/62104451851.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59d3df3d-ff15-4cd2-8701-35caee83dc4b/magic_iso_serial_crack.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e74814d5-948a-4a18-bb81-19c2fc1899a1/11815964731.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82c3b150-dbc5-4e79-baef-fa74626824c1/rivexiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92425abe-8422-4229-9741-dbfa3f0bb962/financial_accounting_concepts_and_co.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7e6efca-2a27-44de-a6ce-52bf23540e96/sirifijuvatade.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_01_sfnt_off000099ea.bin)

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