used spearphishing with PDF attachments containing malicious links that redirected to credential harvesting websites.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: used spearphishing with PDF attachments containing malicious links that redirected to credential harvesting websites. ### Response: T1566.002.