Malware campaign is using some old and new methods.
One email claims to be from Maersk shipping line and the attachment (word doc) opens a backdoor connection to two hacker command and control servers
The dropbox domain is also referenced, the links attempt to contact londonpaerl (. )co (. )uk and selombiznet(.)net (I added the parantheses so it is harder to copy and paste these malware sites.
It is always good to keep up on the latest attacks and update anti-malware software.
This information is from a threatpost.com blog post