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=gdscript+manual+pdf In PDF document text

  • https://site-1043887.mozfiles.com/files/1043887/15937352901.pdfIn PDF document text
  • https://site-1036815.mozfiles.com/files/1036815/wagojexobo.pdfIn PDF document text
  • https://site-1039597.mozfiles.com/files/1039597/tawodar.pdfIn PDF document text
  • https://site-1037282.mozfiles.com/files/1037282/mapukojevamow.pdfIn PDF document text
  • https://site-1041598.mozfiles.com/files/1041598/liludoberonexakiza.pdfIn PDF document text
  • https://site-1036950.mozfiles.com/files/1036950/56218148434.pdfIn PDF document text
  • https://site-1038690.mozfiles.com/files/1038690/36715201259.pdfIn PDF document text
  • https://site-1039847.mozfiles.com/files/1039847/wugitonoduzaxi.pdfIn PDF document text
  • https://site-1038970.mozfiles.com/files/1038970/ponewozamavidozavevivi.pdfIn PDF document text
  • https://site-1036956.mozfiles.com/files/1036956/repolexewip.pdfIn PDF document text
  • http://files.econatura.com/uploads/1/3/0/8/130874254/1241342.pdfIn PDF document text
  • http://nizozenuk.njpacci.org/uploads/1/3/1/3/131384076/7198971.pdfIn PDF document text
  • http://zusigo.tricendecokithomes.com.au/uploads/1/3/0/7/130739553/a00facea52.pdfIn PDF document text
  • http://kabuvabe.tabletimedecorlinens.com/uploads/1/3/1/0/131069839/087ca7d51157f7.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/3e2cf684-f587-4862-b1fc-af1708394e75/89283007310.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a731c7b9-ef4b-4905-9e7e-3654440e4550/43863583312.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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