Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafftec.ru/123?keyword=code+de+police+gta+san+andreas+ps2 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4419629/normal_5f9e5e657faf7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366032/normal_5f88c96c702ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368497/normal_5f9c2fec30fab.pdfIn PDF document text
  • https://tovozilulu.weebly.com/uploads/1/3/0/8/130873983/f4f9f865deebe8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408586/normal_5f964e2882931.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383807/normal_5f9a278a64355.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411246/normal_5f987ac42d6f4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/3aa2b963-a7bb-4940-bb37-1a8d030323dd/nifamalavobuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b79fd4dd-39b4-42e1-9897-a4fdd57b86a6/19900819044.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8013b63f-1828-4638-a606-47c30c7afa34/6461078035.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e56f515-e436-4dde-867c-affa713decf5/best_.625_adjustable_gas_block.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0aa981f9-9a08-49ad-8148-04af6f5da3f5/gutezepezufokekokon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd081479-e6d5-4a3e-a876-43005cd3da12/vermintide_2_guide_dwarf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b093b47-44d6-467f-9eec-f382c852eaed/73333585063.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a1e3b90-6e6a-41da-8447-6391964f13d3/jagiganesixukezokijepinu.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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