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=puerto+rico+currency In PDF document text

  • https://site-1036640.mozfiles.com/files/1036640/85457902233.pdfIn PDF document text
  • https://site-1038777.mozfiles.com/files/1038777/18079539415.pdfIn PDF document text
  • https://site-1037114.mozfiles.com/files/1037114/52405643444.pdfIn PDF document text
  • https://site-1038770.mozfiles.com/files/1038770/buxiwimanoredutedo.pdfIn PDF document text
  • https://site-1036958.mozfiles.com/files/1036958/57157919576.pdfIn PDF document text
  • http://files.labandmasters.org/uploads/1/3/2/6/132682607/xaxeri.pdfIn PDF document text
  • http://files.sritejareddy.com/uploads/1/3/0/7/130738956/5582605.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/4979aed9-8e7c-45e6-8679-a85681325e66/67959079562.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2336c0ae-0096-4e04-a121-675f25f31882/27294370149.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d31cf900-dcb0-47f5-a6ea-4ad5e219fcd8/zudanumukozevo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1df85e8-eff9-4b5e-a7f5-d5853cd692be/73146880457.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d08d1f92-6792-47c5-8574-fce5d46b2dbf/80766154826.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7968/7587/files/naruto_fr.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2571/0752/files/muvuvutakexilarotokep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2953/1288/files/maurice_river_township_school_district.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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