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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.club/wix?keyword=computer+glitch+crossword+clue In PDF document text

  • http://jonurip.jamesdaviespoetry.com/uploads/1/3/1/8/131856491/2022572.pdfIn PDF document text
  • http://files.bridgetgelms.com/uploads/1/3/1/4/131453194/8922951.pdfIn PDF document text
  • http://files.cavershamholistics.co.uk/uploads/1/3/1/0/131070774/labifenejoseravajij.pdfIn PDF document text
  • http://gawit.pjmgoats.com/uploads/1/3/1/6/131606003/nikolutokoraj.pdfIn PDF document text
  • http://files.smithlab.ca/uploads/1/3/1/6/131607010/c866c0d6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://musuxewak.rwang.people.ua.edu/uploads/1/3/2/3/132303108/denajuv.pdfIn PDF document text
  • https://3ca518aa-c34d-48f2-8b49-9b5a5ec14c55.filesusr.com/ugd/23b571_72cbb59aee744359a808116c0a2bba5b.pdf?index=trueIn PDF document text
  • https://1f153d38-5cd5-42c5-91c5-a9e061c4b84f.filesusr.com/ugd/ceb2e8_9975e90d9890447088251001951f68c9.pdf?index=trueIn PDF document text
  • https://bb77d979-08a3-479c-833f-d871f7860265.filesusr.com/ugd/ffe0d3_9d635b48295349f8a4d265210fc75791.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3427/0101/files/colorado_dmv_online_accident_report.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5852/8405/files/28566870597.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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