1. An apparatus for analyzing a permission of an application for a mobile device, the apparatus comprising: an executable file acquisition unit configured to acquire an executable file of the application; a file extraction module including an unpackaging unit, wherein the unpacking unit is configured to unpackage the executable file to extract a first file which describes the information about permission that is declared in the application and a permission that the application uses; and an execution permission analyzing module configured to detect a security risk which can be caused by the permission on the basis of the permission described in the extracted file, wherein the information related to the permission of the application comprises: information on permission that is declared in the application, permission that the application uses and a function that uses the permission of the application.