I have found older version of Facebook For Android app here which was hosted on geekfiles.in
When i wanted to install 1.8.1 and checked permissions, the following arose my suspicions:
Services that cost you money:
Send SMS messages
Your messages:
edit SMS or MMS, read SMS or MMS, receive SMS
Your accounts:
act as an account authenticator, manage the accounts list
Phone calls:
read phone state and identity
Your accounts:
discover known accounts
Storage:
modify/delete SD card contents
Can unscrupulous people inject malware into APKs? If yes, what are trusted repositories for downgrading apps to older versions?
Is this repository trusted source?