My file is bigger:
nhh221 ~ # ls -l /etc/ssl/private/pure-ftpd.pem
-rw-r--r-- 1 root root 2286 Feb 23 15:24 /etc/ssl/private/pure-ftpd.pem
The content is:
nhh221 ~ # cat /etc/ssl/private/pure-ftpd.pem
-----BEGIN RSA PRIVATE KEY-----
...
-----END RSA PRIVATE KEY-----
-----BEGIN CERTIFICATE ...