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/123?keyword=simple+purchase+agreement+template+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369640/normal_5f88c9db1b541.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367632/normal_5f87d8c4d8f9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f874bc604b7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367312/normal_5f88c8e92d1ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369146/normal_5f87c7e6712a8.pdfIn PDF document text
  • https://site-1038595.mozfiles.com/files/1038595/tubupix.pdfIn PDF document text
  • https://site-1040620.mozfiles.com/files/1040620/76002298720.pdfIn PDF document text
  • https://site-1041611.mozfiles.com/files/1041611/boxaxawariv.pdfIn PDF document text
  • https://site-1038715.mozfiles.com/files/1038715/detenilinumelu.pdfIn PDF document text
  • https://site-1040175.mozfiles.com/files/1040175/56271426885.pdfIn PDF document text
  • https://site-1036879.mozfiles.com/files/1036879/24515190024.pdfIn PDF document text
  • https://site-1048490.mozfiles.com/files/1048490/nobujezovixana.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367960/normal_5f88de9e7eca4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367013/normal_5f88ebe49e426.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f8718209d51d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369158/normal_5f885aad49476.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/c72cc386-6eee-4a85-894d-47a3fa05483b/87381614580.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6db2a3e2-f24f-43ab-8a48-e8c0d65053d5/xifesagili.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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