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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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=alita+battle+angel+2020+parents+guide In PDF document text

  • http://files.communitybetterment.org/uploads/1/3/0/9/130969742/lilib.pdfIn PDF document text
  • http://files.srepto.com/uploads/1/3/2/3/132303118/8b89ba72.pdfIn PDF document text
  • http://files.attorneyjasonanders.com/uploads/1/3/1/3/131380158/javowomos_mekotobupo_xefej_vibakunes.pdfIn PDF document text
  • http://guraligog.dundasmassage.com/uploads/1/3/0/8/130874198/3891191.pdfIn PDF document text
  • http://fuxivador.lydiahavens.com/uploads/1/3/1/3/131380265/7981838.pdfIn PDF document text
  • http://files.balancedbodysolutionsok.com/uploads/1/3/0/8/130873944/wejesirudedu.pdfIn PDF document text
  • http://tenup.marinwoodturningandcompany.com/uploads/1/3/0/8/130874118/7844834.pdfIn PDF document text
  • http://files.intervarsitygnt.org/uploads/1/3/2/7/132712661/kokiregunujat.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/59742c20-ca23-40f7-a936-3c8b4688b04a/neroremotobivu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac84aa74-c8dd-4f64-bbe8-f909c4a39b06/82360913158.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ed33cd8f-556a-46a5-a29e-a8c00636438c/59355779653.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/4473/2833/files/bloom_township_high_school_chicago_heights_il.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8571/6886/files/spartanburg_county_register_of_deeds_filing_fees.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2141/7123/files/living_like_weasels.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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