You need to download the right version (64bit or 32 bit, .bundle file) of ovftool from vmware:
Click here to download ofvtool (!) You need to register for a free vmware account.
If you have a graphical (GUI) debian wheezy, open up “Root Terminal” from accessories menu,
Browse to the directory where you downloaded the .bundle file, and execute (either as “root” user or via sudo):
You must accept the VMware OVF Tool component for Linux End User
License Agreement to continue. Press Enter to proceed.
If you want to get to the end of the text, hold down the Space bar.
Do you agree? [yes/no]: yes
Now the “ovftool” command is present and executable on your machine.