{
    "file_item": {
        "filepath": "threat-intelligence",
        "filename": "TLP-WHITE-CERT-EU-TM-PDF-signing-attack-v1.0.pdf"
    },
    "title": "Signed PDF documents vulnerable to manipulation",
    "publish_date": "28-07-2020 13:45:00",
    "description": "Key Points<br>- 15 of the biggest PDF viewers are vulnerable to \u201cShadow Attack \u2013 Hide and Replace\u201d involving manipulation of documents after signing.<br>- The attack takes use of hidden layers in the document, invisible to the victim but included in the signed version.<br>- Adobe, LibreOffice, Foxit and SodaPDF have issued patches for the vulnerability.",
    "url_title": "threat-memo-pdf-signing-attack",
    "content_markdown": null,
    "content_html": null,
    "licence": {
        "title": "Creative Commons Attribution 4.0 International (CC-BY 4.0)",
        "link": "https://creativecommons.org/licenses/by/4.0/",
        "restrictions": "https://cert.europa.eu/legal-notice",
        "author": "The Cybersecurity Service for the Union institutions, bodies, offices and agencies"
    }
}