Kardashian was attending a Hollywood launch party when an unidentified woman threw flour over her on Thursday (March 22).
The reality star has since reportedly decided to press charges against the assailant.
On Saturday (March 24), PETA issued a statement to TMZ, saying that it would be willing to pay for the flour bomber's defence.
"How much better it would be if [Kardashian] decided to evolve and enhance her image by donating her vulgar furs and exotic-animal skins to the homeless," reads the statement. "The activist acted from the heart, something Kim doesn't seem to have."
"If anything, Kim should get a life, the very thing that she denies animals," the statement concluded.
PETA was rumoured to be behind the attack, but has denied any involvement.