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://gettraff.ru/strik?keyword=farmacia+veterinaria+darwin In PDF document text

  • https://cdn-cms.f-static.net/uploads/4401703/normal_5f910a0f232e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369782/normal_5f899c1ebdefe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367960/normal_5f8def8164661.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f874d58db44d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f871692cc62b.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/7885719.pdfIn PDF document text
  • https://genamimiwovem.weebly.com/uploads/1/3/1/6/131636881/dagapetasavaki.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367687/normal_5f8933f19a338.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387430/normal_5f90c85e8fba7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_5f9073b393c9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381344/normal_5f8c272f345c2.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/f903eafc-b70c-42ff-9200-0fa93002af77/assassin_s_creed_odyssey_choice_gui.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d8c2a77-b2d9-41b1-bdda-2e9640a80fb1/xuwakojunebelos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/827a2283-3935-4d92-b0b3-e2a768babb8a/vunamelu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b896a87b-0150-4bb6-91af-bfb949192015/jawugalivikamozesubug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03530793-db4e-4c7b-a879-20d54aded393/55361901879.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76eb2d9c-585f-4621-a9ce-a4e9054e3b03/nomikolodejoni.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9f3550c-e49d-4799-8704-6101850ae133/mc_command_center_pregnancy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/7284/0090/files/11085482845.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3023/6314/files/40023731476.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/4916/2654/files/cyber_hunter_cheat_android.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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