Security Error: PDF files must be hosted on the same domain as this site.
PDF is hosted on: http://https%3A%2F%2Flvivacc.site%2Fwp-content%2Fuploads%2F2020%2F12%2F%D0%9F%D0%BB%D0%B0%D0%BD-%D0%B3%D1%80%D0%B0%D1%84%D1%96%D0%BA-%D0%9A%D0%9F%D0%9D-%D0%A0%D0%94%D0%A6.pdf but this site is: https://lvivacc.site