Malicious PDF — malware analysis report

Heuristics 4

• 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 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=core+connections+algebra+1+chapter+3+answers In PDF document text

  • https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/fikerafogodovu-fetudokumi-penafa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377391/normal_5f8bd1e38c899.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366302/normal_5fa1fdb92bfd6.pdfIn PDF document text
  • https://duxixujojive.weebly.com/uploads/1/3/0/7/130739103/mukej-jepefalolamux-vuxevine.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421630/normal_5f99cbce547d5.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/171db69d-57c0-4d61-9c24-c729efe2d9b3/madebex.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/alcoholismo_crnico.pdfIn PDF document text
  • https://fegaretu.files.wordpress.com/2020/11/gesetisamisovubabaxavidum.pdfIn PDF document text
  • https://pupirod.files.wordpress.com/2020/11/nozemapopumetuve.pdfIn PDF document text
  • https://zetetojowu.files.wordpress.com/2020/11/st_raphael_prayer_for_singles.pdfIn PDF document text
  • https://nizowowe.files.wordpress.com/2020/11/midesifitir.pdfIn PDF document text
  • https://s3.amazonaws.com/tunenijexe/bipenadopuxiripaja.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c8fc2a6-9e50-4dcc-926f-7f9a2e505e0e/install_oracle_enterprise_manager_12c_agent_on_windows.pdfIn PDF document text
  • https://manetomimexa.files.wordpress.com/2020/11/lugotorizereziwatogukomak.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/pe_bible_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/mukut/lixivibarotofigalev.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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