Plant multiple C4 charges on the APC at the same time and destroy it with one massive detonation.

During the APC encounter in chapter 6, simply pick up as much C4 as you can find and, from stealth, throw them on to the vehicle. Detonate them all at once to blow it up and earn the trophy.

Overkill

Plant multiple C4 charges on the APC at the same time and destroy it with one massive detonation