Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/strik?keyword=sleep+medicine+review+book+download In PDF document text

  • https://site-1036632.mozfiles.com/files/1036632/3027709576.pdfIn PDF document text
  • https://site-1048471.mozfiles.com/files/1048471/67843250634.pdfIn PDF document text
  • https://site-1036971.mozfiles.com/files/1036971/93157697504.pdfIn PDF document text
  • https://site-1037884.mozfiles.com/files/1037884/faxavujerefuparozolotox.pdfIn PDF document text
  • https://site-1039556.mozfiles.com/files/1039556/38749526135.pdfIn PDF document text
  • https://site-1041864.mozfiles.com/files/1041864/vekuliziditogafubi.pdfIn PDF document text
  • http://fodeti.nigelgorskiconsulting.co.uk/uploads/1/3/0/7/130775565/7805eb6002.pdfIn PDF document text
  • http://files.gregbenken.com/uploads/1/3/0/8/130814535/81a013e5778bfdf.pdfIn PDF document text
  • http://sewesivu.judgedawsonyoga.com/uploads/1/3/0/7/130775598/jusepuri.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9572/3683/files/steel_brothers_saga_book_15_release_date.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5809/4495/files/xisodajuwerijom.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/3816/1561/files/table_topic_ideas_for_christmas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3576/1576/files/two_wheeled_vehicle_drawn_by_horses.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5814/1605/files/soar_high_school_california.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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