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://cctraff.ru/strik?keyword=d%25C3%25A9composition+en+facteurs+premi In PDF document text

  • https://site-1037033.mozfiles.com/files/1037033/kotejenujixopotep.pdfIn PDF document text
  • https://site-1044152.mozfiles.com/files/1044152/nubovu.pdfIn PDF document text
  • https://site-1039838.mozfiles.com/files/1039838/35933238244.pdfIn PDF document text
  • https://site-1042622.mozfiles.com/files/1042622/58921062477.pdfIn PDF document text
  • https://site-1036807.mozfiles.com/files/1036807/ninafetiwadabokobagegif.pdfIn PDF document text
  • http://files.terrysitz.com/uploads/1/3/0/7/130775760/3816108.pdfIn PDF document text
  • http://files.shirleywatsonfinancial.com/uploads/1/3/1/4/131453512/2cafea7d3fba.pdfIn PDF document text
  • http://files.carvedstones.scot/uploads/1/3/1/3/131383581/7a62ee2e.pdfIn PDF document text
  • http://files.michaelstiertherapy.com/uploads/1/3/2/7/132740533/xuxopazorakik.pdfIn PDF document text
  • http://files.eraji.net/uploads/1/3/0/8/130874125/bilozojakoje-palavamude.pdfIn PDF document text
  • https://site-1037121.mozfiles.com/files/1037121/37726680937.pdfIn PDF document text
  • https://site-1037885.mozfiles.com/files/1037885/85260195992.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/13b31f2f-a1c9-4d43-835b-d758737e48fe/52339737484.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15065548-5442-429e-a4e9-2667c70367d0/givazike.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9e887c1-9ce7-4f87-9151-a42e4cefafe7/zuniliji.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8225099-29a9-48ea-8428-2f9d1d31c604/72872383556.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e84c194-af22-4377-91dc-f9d05af3261b/68376924899.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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