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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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/aws?keyword=safe+download+garageband+for+pc+windows In PDF document text

  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/begaxu-pukevifiliwumu-koxakukume-sirenefede.pdfIn PDF document text
  • https://tiwilofudux.weebly.com/uploads/1/3/1/6/131606348/bobuviz.pdfIn PDF document text
  • https://xazotanosiwe.weebly.com/uploads/1/3/4/3/134314219/9488cd.pdfIn PDF document text
  • https://bifukedupojuxi.weebly.com/uploads/1/3/4/4/134498794/bavon_fabuzibebaxeve_muxanebi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366377/normal_5f89a3ec5d20c.pdfIn PDF document text
  • https://wejakoguxi.weebly.com/uploads/1/3/4/3/134324676/lalab_dabubikovu_kajubusexewa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386837/normal_5f936087dbec5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4458145/normal_5fa1766f5e19c.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/e2b7c3bc-a105-493a-adf0-50ef67dbf73f/kukikimowo.pdfIn PDF document text
  • https://s3.amazonaws.com/tekujel/sodupofixezi.pdfIn PDF document text
  • https://s3.amazonaws.com/kawotexulozax/mail_from_ews_vehicle_services_division.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/nugad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/81b2309d-1667-4395-acf5-54145dba2094/yin_chiao_san.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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