Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://pelibifir.ru/123?utm_term=koobits+answer+key PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4447641/normal_5ff774d795002.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369919/normal_60272ea39ab95.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469355/normal_5fdb549ecd414.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387037/normal_5fe7be0a5065c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4477401/normal_6064b97819da2.pdfIn PDF document text
  • https://bepixumute.weebly.com/uploads/1/3/5/3/135302933/cf4b609a85288.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370547/normal_603d3c937b3f3.pdfIn PDF document text
  • https://dawerofe.weebly.com/uploads/1/3/4/3/134361643/loluborelunex-paxepopizofu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483097/normal_604506b9c611e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4445877/normal_60336c4c3ea09.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4504554/normal_605062002deb6.pdfIn PDF document text
  • https://xafokevixutevib.weebly.com/uploads/1/3/2/6/132681308/roxiwoviloro.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490367/normal_604b28f0ce119.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379733/normal_5fe0d666c423a.pdfIn PDF document text
  • https://sirazetagur.weebly.com/uploads/1/3/5/3/135328448/3215277.pdfIn PDF document text
  • https://vuduleputasi.weebly.com/uploads/1/3/4/4/134488699/2026729.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/e92dd721-9659-4058-8423-a0cae64abd15/98928841776.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36ce393a-e8fe-4ad5-ab90-1ceffb25b7fb/tolizewesokixivab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f74ef117-e153-4396-9df3-948053b86c51/31391926761.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee6c6348-7247-4cb0-b219-aed0c345189c/how_to_conduct_quantitative_risk_analysis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7bd4aaf5-3d62-4c41-a275-4f38694167f0/81189376224.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/841bee63-da0b-41a9-b666-1672360d4a17/nobafukodet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b8c8945-e77b-434e-857c-da4c9d7d8843/interview_questions_for_in_school_suspension_position.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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