Zend_Pdf is a handy component of Zend Framework, but expects you to use local files. However if you need to open files that are located on a different server (such as an Amazon S3 bucket) you will need a way of getting them into Zend_Pdf first. $pdf = Zend_Pdf::load($pdfUrl); One solution is to stream them in via a string… $pdf = Zend_Pdf::parse(file_get_contents($pdfUrl)); Similarly, if...