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=agrifarm+utto+mp+pdf In PDF document text

  • http://files.wicknscents.com/uploads/1/3/1/1/131163669/3080971.pdfIn PDF document text
  • http://files.basisscottsdaleboosters.org/uploads/1/3/2/7/132740249/dcea02.pdfIn PDF document text
  • http://files.jsiegelart.com/uploads/1/3/1/4/131409009/dewowexugevazev.pdfIn PDF document text
  • https://site-1037188.mozfiles.com/files/1037188/190494560.pdfIn PDF document text
  • https://site-1036651.mozfiles.com/files/1036651/dupojezuxupadisuwovi.pdfIn PDF document text
  • https://site-1036921.mozfiles.com/files/1036921/wuzobobud.pdfIn PDF document text
  • https://site-1036894.mozfiles.com/files/1036894/vilinumab.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/b922f530-b18e-43bd-96a5-112139384252/75109461708.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d391f0f-c7a5-47ec-aa6e-49c3c258a250/73055703332.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3893/3146/files/apkmonk_vs_apkpure.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8098/1403/files/icloud_unlock_bypass_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/0654/7352/files/the_ring_weakness_in_the_hobbit_symbolize.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6599/7472/files/philo_of_alexandria.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4496/9367/files/vozolome.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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