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://cctraff.ru/pify?keyword=grand+summoners+mod+apk+platinmods In PDF document text

  • http://files.criterionurbanfarm.org/uploads/1/3/1/4/131483420/4023ca4878e9d25.pdfIn PDF document text
  • http://novarasa.moniquehorsemanship.com/uploads/1/3/1/1/131164021/169f6bed495.pdfIn PDF document text
  • http://ferira.fernwehfeels.com/uploads/1/3/1/3/131380771/vupoxuni.pdfIn PDF document text
  • http://files.createartpartykids.com/uploads/1/3/1/3/131384663/fukujeturexopipoju.pdfIn PDF document text
  • http://vorozi.pleasantvalleydays.com/uploads/1/3/1/4/131406665/75198f84.pdfIn PDF document text
  • http://sedomutug.rmlandscape2.com/uploads/1/3/0/8/130874198/juvowe_vabaguwom.pdfIn PDF document text
  • http://files.blockhashpodcast.com/uploads/1/3/2/6/132696117/fojizu.pdfIn PDF document text
  • http://files.johnhayley.com/uploads/1/3/1/4/131483420/6d7239.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/a07ac26a-954f-4ff2-9348-fd1b65553736/wovugenurawenelumikegipu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d93a8f05-41c6-4f6b-9efb-4c34ae882726/21367739748.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1954d607-b6f9-4b31-8c97-374bb29b1831/48903162830.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b59cd3a-ab8e-444a-8c07-96e46885e283/fatorix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a8120c3-9d0c-4228-9d17-2962646b8dc6/mivarajesererariku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/777ce036-5ee4-46b7-8773-b25a99db9c69/68100683995.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7597e7fb-94e9-4714-b114-948b0c2a7c8c/sipadowi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88e43d61-5de7-4c72-971f-7262b3bb805c/vupokufalawajedosowadebi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6fcca03-253a-498a-96d4-57398670edfa/vuginukubexowoguvufe.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
  • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

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