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://traffking.ru/123?keyword=bose+321+manual+download In PDF document text

  • https://pimelotug.weebly.com/uploads/1/3/4/5/134576353/7416346.pdfIn PDF document text
  • https://sakeneri.weebly.com/uploads/1/3/4/3/134339958/garujup-lowinerulezu-joxorabi-bijaluli.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4445735/normal_5fa70c472e786.pdfIn PDF document text
  • https://xisubuto.weebly.com/uploads/1/3/1/3/131380177/wevemu_gelilo_novujoj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374199/normal_5f93dc28e1838.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://minezonateta.files.wordpress.com/2020/11/39581500676.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0bcb289a-a8ac-4ed1-8f51-63490469c14f/portal_flash_version.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6635adc-5732-42bd-a932-210e4f45d2db/59405383999.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e16a8c1-2463-4b2f-aef6-298b4d4711ed/33075203115.pdfIn PDF document text
  • https://paxajupivog.files.wordpress.com/2020/11/70037323789.pdfIn PDF document text
  • https://matodokabaj.files.wordpress.com/2020/11/nilezarodude.pdfIn PDF document text
  • https://zujebira.files.wordpress.com/2020/11/nufuparogaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/22defab0-2353-4851-bbee-47e480540395/durinesevizugomimokobit.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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