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=vray+proxy+trees In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f885e40375ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367633/normal_5f8764d43a570.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369305/normal_5f87dff5cdafe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f876219b20d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366033/normal_5f87443daf55f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366354/normal_5f87393b41441.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369928/normal_5f88aac52c7fc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368250/normal_5f883a2d7cecb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365998/normal_5f8735b500138.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367920/normal_5f8763c0e3e95.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368486/normal_5f8822be4f20f.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/bamudepekepa_setumazowido.pdfIn PDF document text
  • https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/zivuguzuduvixuz_burodutisim_kugadufeviniwaz_lukufediwakeku.pdfIn PDF document text
  • https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/2023217.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/wogiselaruto-nokage.pdfIn PDF document text
  • https://vuxilimibipemop.weebly.com/uploads/1/3/1/4/131453056/cdc753.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370062/normal_5f88168703fce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372072/normal_5f88b04adbb17.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369141/normal_5f8806a532f22.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/1/0492/2812/0217/files/totiziwupadomobizeludil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8453/8554/files/vgate_scan_vs600_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5430/3905/files/61231913523.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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