HTTP/1.1 200 OK Cache-Control: pre-check=0, post-check=0, max-age=0 Pragma: public Content-Length: 0 Content-Type: pdf Content-Encoding: none Last-Modified: Thu, 24 Dec 2020 07:25:50 GMT Content-Transfer-Encoding: binary Content-Disposition: attachment; filename="20201224_032550306.pdf" Server: bfe/2.0 Date: Thu, 24 Dec 2020 07:25:50 GMT Connection: close