Seems so. Had originally thought it was some Saudi bros trying to be edgy or something, but who knows. The account is nebulously close to the state.
https://www.washingtonpost.com/world/2018/08/06/amid-spat-with-canada-pro-government-saudi-twitter-account-shares-image-plane-flying-toward-toronto-skyline
KSA sure is pissed off at Canada over this