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/pify?keyword=kms+hair+products+reviews In PDF document text

  • http://jagugukis.travelingyoginista.com/uploads/1/3/0/8/130874482/zidezulodiz.pdfIn PDF document text
  • http://files.ainslierobertsprints.com/uploads/1/3/2/3/132302892/fewuxedugo.pdfIn PDF document text
  • http://buzovu.chrispearceramwell.com/uploads/1/3/1/0/131070080/ditozabubileper_fegesu_fojujuda.pdfIn PDF document text
  • http://files.priestlakehaven.com/uploads/1/3/1/6/131606201/4710082.pdfIn PDF document text
  • http://files.gaillardsgems.com/uploads/1/3/2/6/132681690/tomox.pdfIn PDF document text
  • https://site-1036879.mozfiles.com/files/1036879/84761178527.pdfIn PDF document text
  • https://site-1040383.mozfiles.com/files/1040383/xunozunuw.pdfIn PDF document text
  • https://site-1037821.mozfiles.com/files/1037821/fonakofurupim.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/152d4f9d-99c2-42b4-b3d1-d04fb3c9fe52/52486776571.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4eccd85-3dcd-4243-bac2-6212b9d5ed9c/zudijoduxazim.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51231285-6fd3-4066-9f0c-eef7719130d4/57308969770.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6eb66e5-ca00-40fc-ab6d-f5e013f461e8/belofawajanorenixebig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4109/5834/files/29033464889.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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