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://cctraff.ru/strik?keyword=azur+lane+blueprint+farming In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f8a67a47e692.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370777/normal_5f8b61a208b4a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f8897822ca13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369185/normal_5f89e552ad21a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366654/normal_5f880c66183bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371791/normal_5f8a67bff1861.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368975/normal_5f89bffe905ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369671/normal_5f87ca754de5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f8755ed87444.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370055/normal_5f88aaec74e1d.pdfIn PDF document text
  • https://dojulukasinu.weebly.com/uploads/1/3/0/7/130776790/josutebojek.pdfIn PDF document text
  • https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/luvifiwobin_zilidamopej.pdfIn PDF document text
  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/5844901.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/3302/0584/files/zuvisosased.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8358/6977/files/sintomas_de_trigliceridos_altos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0645/9032/files/pampered_chef_mandoline_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edf37f3b-d80b-4515-bdb6-245a08919afb/49642397788.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1b13aaf-93e1-45a3-99b3-62a1e020b116/53172213998.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45311bc1-1eaa-4ef2-b34e-f1a9ced0ed8d/54936757137.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/043794f1-fb55-42be-9534-92c5a39f12ba/37749174367.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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