You first funded it on September 15, and it was emptied on December 10. In that same transaction, 76 inputs were used, and a few different addresses had many different inputs.

Your address was emptied after 3 months, some of the other addresses after a year or almost 2 years.

If someone somehow compromised your paper wallet from outside your office, that means they've patiently been waiting for people to make multiple deposits to those paper wallets before robbing them. That may also mean it will happen to more people.

Hey Google, let the owners of 18CxzMfmadEvjwPjW8uzFe5n6xBDeraoJ6 and 1AmwSjzv6H3ujR7rFuVXLNz1yJfnJt2TFA find this topic!