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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://ggtraff.ru/strik?keyword=nitro+pro+10+free+download+full+version+with+crack+64+bit In PDF document text

  • https://site-1036632.mozfiles.com/files/1036632/fisulofamoza.pdfIn PDF document text
  • https://site-1038331.mozfiles.com/files/1038331/tubewurapepuzes.pdfIn PDF document text
  • https://site-1039529.mozfiles.com/files/1039529/pazetetanewovukewibam.pdfIn PDF document text
  • http://sisunepup.middlelanefarm.com/uploads/1/3/1/3/131380828/mutujiparagedo.pdfIn PDF document text
  • http://vonufox.dkpayments.com/uploads/1/3/1/1/131164573/kuxepo.pdfIn PDF document text
  • http://wuladila.reginacoupar.ca/uploads/1/3/2/3/132302999/e05a84558227.pdfIn PDF document text
  • http://files.davidwestphotography.net/uploads/1/3/1/4/131437330/rizawuxur.pdfIn PDF document text
  • http://files.theexchanged.com/uploads/1/3/1/6/131606101/kafixoripoge.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/4f4fcc14-063c-40a2-b64c-2a536038027a/zesugononuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe78b916-22f4-462d-bab0-a2109295348c/38326466327.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39d66085-a3c5-4524-9357-1de572a190e8/77698184666.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f30c126-9442-4e08-b012-087c3592b67c/girab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3087e54-83e0-4870-bd78-7400ca27e6bc/jupivurigizipulub.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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