Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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=atkins+kurzlehrbuch+physikalische+chemie+pdf In PDF document text

  • http://files.sapidyne.com/uploads/1/3/0/7/130739986/midosixoxufo-nutanixa-fujox.pdfIn PDF document text
  • http://nanaziv.biopeakgenetics.com/uploads/1/3/1/4/131452883/luxawavo.pdfIn PDF document text
  • http://lekanil.rockwoodstoneunitedchurches.com/uploads/1/3/2/6/132683003/5000109.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/1/0484/3153/0138/files/moon_funeral_home_live_stream.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62e0d119-712b-43b4-8099-3981dbab41e0/25479846352.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/976359dc-998c-4f7d-b3ae-d9f72873f5df/59046757885.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf18b1a5-3331-4ff3-9665-1fbd11eb1fa8/78366105670.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4bfe3741-5ca1-4adf-a674-a835dac994f2/kinemubomelubuturofuzewa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65be9ba1-52fa-4a11-bfba-2f8eb4acabb7/91390800784.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/2612/2405/files/lte_call_flow_step_by_step.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8060/8669/files/nassau_region_pta_director.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3172/2146/files/sisujimovomunawiwisowida.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9727/5033/files/18066538737.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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