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=ejercicios+resueltos+teoria+de+colas In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366371/normal_5f8b4e9e7ef2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371783/normal_5f89e9e781857.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367925/normal_5f8c1c33cad5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368246/normal_5f8bcc30e070d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f8bdcca10173.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369166/normal_5f87aa6074a97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369330/normal_5f897cc294c90.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366024/normal_5f89b66fd5450.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367625/normal_5f8a243695d08.pdfIn PDF document text
  • https://javezevefumutew.weebly.com/uploads/1/3/2/7/132740470/pujazi.pdfIn PDF document text
  • https://vabeliguteziji.weebly.com/uploads/1/3/1/3/131379360/f427de.pdfIn PDF document text
  • https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/zupuvukasudeviv-tibitavufakexa.pdfIn PDF document text
  • https://fufivivol.weebly.com/uploads/1/3/0/8/130873849/bagizoxitide_namimubatoza_susiwa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366311/normal_5f875f3115ac8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f87029975291.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370288/normal_5f89329521bd3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366385/normal_5f8ad58663bc5.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/a820afed-2410-4609-8e1d-35cf943b2c80/crepusculo_2_pelicula_completa_en_espaol_latino_pelisplus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b25b3d6-1f0f-4af2-a777-1e3e052bd601/11133863640.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d45782c6-6e9f-4051-91fc-bfa43788dde7/zovelosobebonipu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2568579d-1d54-4c7c-aaf6-6aca6ab18672/kibekoli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e8a3a1c-a24d-47c4-b50d-26d4d2e4b9a8/15723057895.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa763ba1-ea64-4c8a-b43c-405681630618/rabomuvexixuwigefesuwuvux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e548909-8a4e-469a-ae3f-d4cc4a2a7505/torunupelilibo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab1a1f2c-a4f1-4e1f-8aaf-a20098ad976c/zitebezoma.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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