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From Pathfinder Beginner Box: Secrets of the Unlit Star, which isn't enabled.

Envenomed Lock (BB)

HAZARD 1
Stealth +7
Description A spring-loaded, poisoned spine is hidden near the keyhole of a lock. Disabling or breaking the trap doesn't disable or break the lock.

Disable DC 17 Thievery on the spring mechanism

AC 15; Fort +8, Ref +4
Hardness 6, HP 24 (BT 12); Immunities critical hits

Spring (attack)

When a creature tries to unlock or Pick the Lock, a spine extends to attack that creature with a Spine attack.

Melee Spine +13, Damage 1 piercing plus 1d6 poison
Pathfinder Beginner Box: Secrets of the Unlit StarORC