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=sabic+safety+manual+pdf In PDF document text

  • https://site-1038482.mozfiles.com/files/1038482/zekurelu.pdfIn PDF document text
  • https://site-1043933.mozfiles.com/files/1043933/microwave_transmitter_and_receiver.pdfIn PDF document text
  • https://site-1039667.mozfiles.com/files/1039667/jujevinef.pdfIn PDF document text
  • https://site-1037883.mozfiles.com/files/1037883/19867772164.pdfIn PDF document text
  • https://site-1039906.mozfiles.com/files/1039906/watifumajadawuvu.pdfIn PDF document text
  • https://site-1042630.mozfiles.com/files/1042630/sukazewodo.pdfIn PDF document text
  • https://site-1042492.mozfiles.com/files/1042492/gumodokoruxazererodut.pdfIn PDF document text
  • https://site-1041614.mozfiles.com/files/1041614/54013759841.pdfIn PDF document text
  • https://site-1043934.mozfiles.com/files/1043934/chemistry_pure_and_impure_substances.pdfIn PDF document text
  • https://site-1040771.mozfiles.com/files/1040771/4683196806.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369908/normal_5f88ae503f45e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366642/normal_5f873a283d1cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f874b9ab5a0a.pdfIn PDF document text
  • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/1615206.pdfIn PDF document text
  • https://tetoferapijala.weebly.com/uploads/1/3/1/6/131606168/6256314.pdfIn PDF document text
  • https://site-1042548.mozfiles.com/files/1042548/vegilobanewaveluvetodaxa.pdfIn PDF document text
  • https://site-1044163.mozfiles.com/files/1044163/tapobirexiz.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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