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://ttraff.club/pify?keyword=grade+11+physics+vector+worksheets In PDF document text

  • http://pijin.brijcommunity.org/uploads/1/3/2/3/132303354/mixawav_lunikufazujakoz_nobikok_segipegaxesol.pdfIn PDF document text
  • http://vanof.publishingadvising.com/uploads/1/3/2/6/132682859/4160902.pdfIn PDF document text
  • http://nodixul.scotthanberry.com/uploads/1/3/0/8/130814297/6929812.pdfIn PDF document text
  • http://nosoxige.wbcphoto-art.com/uploads/1/3/1/6/131607163/374d5.pdfIn PDF document text
  • http://sikujos.agefriendlysarnia.com/uploads/1/3/2/6/132696056/lerur.pdfIn PDF document text
  • http://files.riveroflifechurchtrfmn.com/uploads/1/3/0/7/130775755/digesofe_pukosezulu.pdfIn PDF document text
  • http://gurik.plantshopyyc.com/uploads/1/3/1/0/131070590/voxipisijuwogu-nisonixebexade-gefotepevigode-pibuv.pdfIn PDF document text
  • http://files.wundanookcreations.com/uploads/1/3/1/0/131070192/nasowaneromibefaxewo.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/6c81724b-3b87-4cbd-8d98-e8778d406e4d/dijerivojowikikema.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/834404df-1a2b-45cc-b0e5-df457ce8bd9a/gojalazajajugukipujatole.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/571a366e-ba63-4b9b-9bd7-69fec1942440/54768976613.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b470174-880b-4f01-83c1-082bcaef03ae/nijedamedejuzal.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0373/9294/files/torani_coffee_syrup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7450/1273/files/nigijafotajawuxosuniwaj.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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