This card is the copycat from this awesome article Show archive.org snapshot , all thanks to Zsolt Agoston.
# Extract the private key
openssl pkcs12 -in wild.pfx -nocerts -nodes -out priv.cer
# Extract the public key
openssl pkcs12 -in wild.pfx -clcerts -nokeys -out pub.cer
# Extract the CA cert chain
openssl pkcs12 -in wild.pfx -cacerts -nokeys -chain -out ca.cer