Got this file attachment this week pretending to be from HSBC Global Payments and Cash Management. The attachment payment_copy.pdf.z is a rar archive, kind of unusual with this type of file archive but when extracted, it comes out as a double extension with pdf.exe. The file is a trojan infostealer and detected by multiple scanning engines.
Infostealer Malware with Double Extension, (Sun, Dec 18th)
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