Malicious PDF — malware analysis report

Heuristics 5

• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafficel.ru/123?keyword=yoink+executor+dll PDF link annotation

  • https://kifisiwa.weebly.com/uploads/1/3/4/2/134266158/9140757.pdfIn PDF document text
  • https://wusinetowaje.weebly.com/uploads/1/3/4/4/134471696/vesurejudogabudikopa.pdfIn PDF document text
  • https://munujagafunudo.weebly.com/uploads/1/3/0/8/130873736/rukut.pdfIn PDF document text
  • https://pudegubazamase.weebly.com/uploads/1/3/1/1/131163945/6bbefedfd08f.pdfIn PDF document text
  • https://sonilotosoj.weebly.com/uploads/1/3/1/3/131379329/7579313.pdfIn PDF document text
  • https://pemopexo.weebly.com/uploads/1/3/4/3/134305592/nuwopux.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/dutimajizowa/psalms_of_david_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4dfac32-030d-4a1b-9fa8-789086334e30/tinewufetabivop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/545522a5-303f-4962-89cd-58b360868cd8/lesagezijel.pdfIn PDF document text
  • https://s3.amazonaws.com/saziwijaxodav/fulugudupovebifutemiso.pdfIn PDF document text
  • https://s3.amazonaws.com/wixanarer/sceptre_e248w-19203r_reddit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92d9b1cf-0250-45c9-bdc4-8516cc09e3f5/63666683832.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0f23007-b77a-4dbf-bdb7-63c5fbfa3026/dorakijusudipopabimito.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/828e486e-3c8a-487e-b286-5670280e6585/75547542998.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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