关键词
蜜罐文档 追踪PDF 防泄密 溯源 诱饵文档
在 PDF 中启用 JavaScript
https://www.locklizard.com/track-pdf-monitoring/
Is it possible to put a tracking cookie in a PDF document?
https://www.quora.com/Is-it-possible-to-put-a-tracking-cookie-in-a-PDF-document
https://stackoverflow.com/questions/8099927/tracking-code-into-a-pdf-or-postscript-file
