Which type of malware is commonly associated with office productivity documents?

A.
Macro

B.
Worm

C.
Spyware

D.
Rootkit

Explanation:
Answer A is correct; macro viruses are those that infect, typically, Microsoft Office documents and abuse the macro functionality for malicious ends.

Incorrect Answers and Explanations: B, C, and D: Answers B, C, and D are incorrect. Worms, Spyware, and Rootkits, though all examples of malware, have little to do with office documents.