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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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=amcap+9.20+full+version+free+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368230/normal_5f89053879e80.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366969/normal_5f872b3d3ba99.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380090/normal_5f8afd7728f13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379605/normal_5f8b66be60796.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373778/normal_5f893f83b82ed.pdfIn PDF document text
  • https://jezaxegare.weebly.com/uploads/1/3/1/3/131380636/fazemet-loxex.pdfIn PDF document text
  • https://dosaremuxabibi.weebly.com/uploads/1/3/0/7/130739916/aea3e739d.pdfIn PDF document text
  • https://babinekisifuve.weebly.com/uploads/1/3/2/6/132696104/8601808.pdfIn PDF document text
  • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/ruripupelikad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366401/normal_5f872a6dded6d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366000/normal_5f8740192fc95.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371536/normal_5f8a2d8922895.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368489/normal_5f88f51951360.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365539/normal_5f873cc83e666.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373992/normal_5f8af0d5ac970.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373297/normal_5f8a419fe7095.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371498/normal_5f885d7d0386b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380705/normal_5f8b4a275d847.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374002/normal_5f8b771ac6be1.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/3982726b-3b59-471f-9f39-3111e6129e51/61926114068.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9eb36cdd-cbcf-4cc9-bb3d-25c92dea3333/gebuk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9213df2e-c056-4794-9c8c-e856fa511cf5/42829667108.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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