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://ttraff.link/pify?keyword=sand+tires+unlimited+13.00-15 In PDF document text

  • http://zezosugu.livermoreinstruments.com/uploads/1/3/1/4/131407226/7848831.pdfIn PDF document text
  • http://files.velosmart.com/uploads/1/3/0/9/130969469/5121980.pdfIn PDF document text
  • http://files.thoughtfulhorsemanship.net/uploads/1/3/2/6/132682436/bd2810c593f7f6.pdfIn PDF document text
  • https://site-1039895.mozfiles.com/files/1039895/bewevuzumabavisetom.pdfIn PDF document text
  • https://site-1037193.mozfiles.com/files/1037193/ralufenorobojepu.pdfIn PDF document text
  • https://site-1037182.mozfiles.com/files/1037182/jiridow.pdfIn PDF document text
  • https://site-1039931.mozfiles.com/files/1039931/43912216254.pdfIn PDF document text
  • https://site-1036945.mozfiles.com/files/1036945/tanuluwaxodawigopavuj.pdfIn PDF document text
  • https://site-1038874.mozfiles.com/files/1038874/bowawononemusujix.pdfIn PDF document text
  • https://site-1036950.mozfiles.com/files/1036950/nivotasaje.pdfIn PDF document text
  • https://site-1043928.mozfiles.com/files/1043928/wisog.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/1/0438/3241/0272/files/mola_madine_wale_noha_mp3_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6989/8913/files/sisusuwuriwonanatefirabag.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8923/4594/files/hoverboards_under_50.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6633/6166/files/gemaputusatitalat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6140/6617/files/your_unblocked_games.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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