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.me/wix?keyword=vault+guide+investment+banking+interview+questions In PDF document text

  • http://xufubosa.dariodidonato.com/uploads/1/3/0/7/130738714/bedenurisunir.pdfIn PDF document text
  • http://mutofuwi.peacenwellbeing.com/uploads/1/3/0/9/130969130/fuxuxateker.pdfIn PDF document text
  • http://files.hlhas.com/uploads/1/3/1/4/131483550/wuvoxipepuzan.pdfIn PDF document text
  • http://rejakel.jimmyleezuniga.com/uploads/1/3/1/6/131637365/xativojepa.pdfIn PDF document text
  • http://files.grandbendsoccer.ca/uploads/1/3/1/8/131871894/mirelukexuger.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/1/0430/0711/5423/files/rozurenapupuritat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1947/6896/files/32036234071.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3033/1040/files/alcatraz_prison_escape_pc_game.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9513/7187/files/liliv.pdfIn PDF document text
  • https://5f054a35-373e-48d5-985a-7e8ca5e9ec0f.filesusr.com/ugd/f5892c_1a727398ccea44c8b66470669698c13c.pdf?index=trueIn PDF document text
  • https://e9ba8586-af9d-4ed0-b86e-a419e5e8966e.filesusr.com/ugd/a7074a_56171163550443f1a182dc24cb7e9bd5.pdf?index=trueIn PDF document text
  • https://cc4962c1-b91d-4756-9cd6-6dd470c14a96.filesusr.com/ugd/e78b77_d37a482caec94db99f1b6785584fef83.pdf?index=trueIn 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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