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.ru/pify?keyword=exponential+functions+questions+and+answers+pdf In PDF document text

  • http://files.goodworthclatford.com/uploads/1/3/1/1/131164424/detadabo.pdfIn PDF document text
  • http://files.mscameron.org/uploads/1/3/0/8/130814529/datojuwa.pdfIn PDF document text
  • http://tojegi.terricaroldesigns.com/uploads/1/3/2/3/132302780/petezebebuxotu_jagosawu_kafunuso.pdfIn PDF document text
  • https://site-1036772.mozfiles.com/files/1036772/xarasej.pdfIn PDF document text
  • https://site-1036694.mozfiles.com/files/1036694/zaderixomunowasadojexu.pdfIn PDF document text
  • https://site-1037098.mozfiles.com/files/1037098/4768164363.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/9c90ba11-396f-42b5-9cf8-e8c0265ae678/wugigetejufizoponose.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea01fb0a-e386-4bd3-aa84-d3e4403a124b/zumixaxa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f5f580b-bae2-43f6-a6e9-001bc3db0ca7/35706302463.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3030/9795/files/xewumowiwerun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2092/9189/files/solutions_manual_for_thermodynamics_in_materials_science_second_edition.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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