abductor vs malefactor

abductor and malefactor both are nouns.

Word	Noun	Adjective	Verb	Adverb
abductor	Yes	No	No	No
malefactor	Yes	No	No	No

As nouns, malefactor is a hypernym of abductor; that is, malefactor is a word with a broader meaning than abductor:

abductor: someone who unlawfully seizes and detains a victim (usually for ransom)
malefactor: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of abductor include captor, capturer, criminal, crook, felon, outlaw.

abductor (noun)	malefactor (noun)
a muscle that draws a body part away from the median line	someone who has committed a crime or has been legally convicted of a crime
someone who unlawfully seizes and detains a victim (usually for ransom)