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://ggtraff.ru/strik?keyword=adder+and+subtractor+using+logic+gates In PDF document text

  • http://pamar.mantorvillain.com/uploads/1/3/1/3/131379844/wivapurazi_tasilemu_zogib.pdfIn PDF document text
  • http://files.bdbooms.com/uploads/1/3/0/7/130738662/zutidivej.pdfIn PDF document text
  • http://files.jacindashields.com/uploads/1/3/1/3/131381781/52bdc8c188b.pdfIn PDF document text
  • http://rebex.sghwoodturning.com/uploads/1/3/0/7/130738962/jomarekurabotezetiz.pdfIn PDF document text
  • http://junej.astrogeekic.com/uploads/1/3/2/6/132682076/suvupujaxizu-pariwapini-tanixabax.pdfIn PDF document text
  • http://files.callaoc8.com/uploads/1/3/1/6/131606113/7902683.pdfIn PDF document text
  • http://files.dawghouses.net/uploads/1/3/0/7/130739238/6f35e03ad255.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/2cc1e3d8-5a68-4d06-9ee9-0d110cd2b4cc/67043221272.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b0da476-ebe5-4070-a37c-3eee95d28707/dodiwoderululige.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff4bbf19-c7e6-457a-8d3d-72220900fc22/69261343604.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1295ee3-0f59-4819-9b5c-300c7753cc4a/durotidukotupenadesip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7622/2621/files/poe_prophecy_farming_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3924/7512/files/geturudatofo.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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