Malicious Office (OOXML) — malware analysis report

Heuristics 6

• OOXML Ole10Native with payload/link indicators — possible CVE-2026-21514 high CVE likely CVE_2026_21514
  Office document contains embedded OLE (word/embeddings/oleObject1.bin) with Ole10Native plus executable, PE, or risky remote-link indicators. This is a likely CVE-2026-21514 exploitation shape.
• Ole10Native package drops an auto-executable payload critical OFFICE_PACKAGE_RISKY_FILE
  OLE Package displayName or fullPath ends in a directly auto-executable extension (a runnable binary or a script the default shell host runs on double-click). Embedding such a payload inside an Office document has no benign authoring use — it is a malware-delivery dropper.
• External relationship medium OOXML_EXTERNAL_REL
  External target in word/charts/_rels/chart1.xml.rels: Gráfico no Microsoft Word
• Embedded OLE object medium OOXML_OLE_OBJECT
  Document contains an embedded OLE object
• External hyperlinks (12) low OOXML_EXTERNAL_HYPERLINKS
  Document contains 12 external hyperlinks — clickable URLs are stored as external relationships. First target: https://www.osetoreletrico.com.br/projecao-da-atualizacao-tecnologica-do-parque-de-iluminacao-publica-no-brasil/
• 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 http://www.procelinfo.com.br

  • http://www.procel
  • https://www.aneel.gov.br/
  • http://www.aneel.gov.br/cedoc/ren2010414.pdf
  • https://www.epe.gov.br/
  • https://www.epe.gov.br/pt/publicacoes-dados-abertos/publicacoes/balanco-energetico-nacional-2020
  • https://www.osetoreletrico.com.br/projecao-da-atualizacao-tecnologica-do-parque-de-iluminacao-publica-no-brasil/
  • http://cdeam.ufam.edu.br/attachments/article/107/gestao_energ.pdf
  • http://www.aneel.gov.br
  • https://www.abeeolica
  • http://www.abesco.com.br
  • http://www.abgd.com.br
  • http://www.biomassabr.com/
  • http://www.abnt.org.br
  • http://www.abrapch.org.br
  • https://www.absolar.org.br
  • http://www.bndes.gov.br
  • http://www.ibam.org.br
  • http://www.ibge.gov.br
  • http://www.inee.org/eficiencia
  • http://www.inmet.gov.br/
  • http://www.inmetro.gov.br
  • http://www.epe.gov.br
  • http://www.eletrobras.com/procel
  • http://www.rce.org.br
  • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
  • http://schemas.microsoft.com/office/drawing/2014/chartex
  • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
  • http://schemas.openxmlformats.org/markup-compatibility/2006
  • http://schemas.openxmlformats.org/officeDocument/2006/relationships
  • http://schemas.openxmlformats.org/officeDocument/2006/math
  • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
  • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
  • http://schemas.openxmlformats.org/wordprocessingml/2006/main
  • http://schemas.microsoft.com/office/word/2010/wordml
  • http://schemas.microsoft.com/office/word/2012/wordml
  • http://schemas.microsoft.com/office/word/2015/wordml/symex
  • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
  • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
  • http://schemas.microsoft.com/office/word/2006/wordml
  • http://schemas.microsoft.com/office/word/2010/wordprocessingShape
  • http://schemas.microsoft.com/office/word/2006/arto
  • http://schemas.microsoft.com/office/mac/office/2008/main
  • http://schemas.microsoft.com/office/drawing/2010/main
  • http://schemas.microsoft.com/office/word/2018/wordml
  • http://schemas.microsoft.com/office/word/2016/wordml/cid
  • http://schemas.microsoft.com/office/word/2018/wordml/cex
  • http://schemas.microsoft.com/office/drawing/2017/model3d
  • http://schemas.microsoft.com/office/drawing/2016/ink
  • http://schemas.microsoft.com/office/drawing/2016/5/14/chartex

  +11 more URL(s)

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