find-hidden-word-text – a command-line UNIX tool to ease the task of discovering hidden text in MS Word documents.
More specifically, it is an implementation of Method 2 from Simon Byers’ paper, Scalable Exploitation of, and Responses to Information Leakage Through Hidden Data in Published Documents.
In other words, it’ll display just the hidden text (if any exists) in Word docs. Go forth and discover accidental leaks!