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/pify?keyword=compare+and+contrast+paragraph+dogs+and+cats In PDF document text

  • http://vekujezi.dynamicsymmetryart.com/uploads/1/3/1/1/131164250/3763299.pdfIn PDF document text
  • http://mogabotix.finessegarments.com/uploads/1/3/2/6/132682090/muwopuwavexa.pdfIn PDF document text
  • http://files.riversidees.com/uploads/1/3/1/4/131483025/rososatizusiju.pdfIn PDF document text
  • http://gurisep.bookscapes.co.uk/uploads/1/3/0/8/130814328/9cf3704d54bc.pdfIn PDF document text
  • http://wokif.evanobranovic.com/uploads/1/3/2/3/132302859/3199291.pdfIn PDF document text
  • http://sabib.heavenonearth777.com/uploads/1/3/1/4/131454731/zonazafegu.pdfIn PDF document text
  • http://jibakamud.hawaiiansonrise.org/uploads/1/3/1/3/131382470/6c600d997973.pdfIn PDF document text
  • https://site-1039491.mozfiles.com/files/1039491/36814108384.pdfIn PDF document text
  • https://site-1040293.mozfiles.com/files/1040293/71270242368.pdfIn PDF document text
  • https://site-1037130.mozfiles.com/files/1037130/80354941481.pdfIn PDF document text
  • https://site-1037890.mozfiles.com/files/1037890/74101192531.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/5022cdea-416d-41a2-87e8-50f296236c77/wemujowebifex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32c15dc5-1449-4a4d-a15a-8d16f11adb8a/34398290241.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f27dbcd-9a1d-4229-abbf-8b5a8e3f4abd/19744445158.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ab3082e-40a5-491a-86e9-a57258ae8cbd/19084421136.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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