Portable Document Format (PDF) is a file format used to present documents in a manner which is independent of implementation of software, hardware, and operating systems. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it. During certain operations while working on PDF document, it is found certain times that…

As far as data security is concerned, files with .pdf extension are considered the best. In fact, today, .pdf has become the universal file format because of its security features. People, while creating PDF files can apply restrictions on it to make the data secure. There can be mainly two types of securities applied on…