pf2e.fyi
From Pathfinder Book of the Dead, which isn't enabled.

Phantom Footsteps

HAZARD -1
Stealth +5
Description Audible footsteps approach from behind, but their source is not apparent.

Disable DC 17 Religion (trained) to ritually ward off lesser spirits or DC 18 Occultism to exorcise the spirit

AC 10
HP 10 (BT 5)

Stalk (auditory, emotion, fear, mental, occult)
Trigger A creature passes by the footsteps' path

Effect Footsteps with no visible source closely shadow the triggering creature, then stop. The triggering creature must attempt a DC 16 Will save.

Critical Success The creature is unaffected.

Success The creature is Frightened 1.

Failure The creature is Frightened 2.

Critical Failure The creature is Frightened 3.

Reset 1 hour
Pathfinder Book of the DeadOGL