A vulnerability in the Dropbox SDK for Android may enable theft of sensitive information from apps that use the vulnerable Dropbox SDK both locally by malware and also remotely by using drive-by exploitation techniques.
You can download it from the following link: https://packetstormsecurity.com/files/download/130767/exploiting-dropboxsdk-android.pdf
Source: https://packetstormsecurity.com/files/130767/Dropbox-SDK-For-Android-Remote-Exploitation.html