您可以通过为post_row_actions 滤器如果您的CPT是分级职位类型，请使用page_row_actions 滤器

add_filter( \'post_row_actions\', \'wpse8170_row_actions\', 10, 2 );
function wpse8170_row_actions( $actions, WP_Post $post ) {
    if ( $post->post_type != \'my-custom-post-type\' ) {
        return $actions;
    }

    $actions[\'wpse8170-pdf\'] = \'<a href="http://your/url/here">PDF</a>\';
    return $actions;
}