Security Error: PDF files must be hosted on the same domain as this site.
PDF is hosted on: http://https%3A%2F%2Fpungseok.com%2Fwp-content%2Fuploads%2F2021%2F06%2F%EB%A7%A4%EB%B3%B4-%EC%A3%BD%EB%B3%B4-%EB%82%9C%EB%B3%B4.pdf but this site is: https://pungseok.com