【図表】
出典: https://www.zdnet.com/article/new-pdfex-attack-can-exfiltrate-data-from-encrypted-pdf-files/
【ニュース】
◆New PDFex attack can exfiltrate data from encrypted PDF files (ZDNet, 2019/09/30)
https://www.zdnet.com/article/new-pdfex-attack-can-exfiltrate-data-from-encrypted-pdf-files/