## Summary
Following the detection of a phishing email, our analysis reveals that the email was crafted to appear as an internal memo regarding software updates. The email contained a malicious attachment disguised as a PDF file.

## Technical Details
- **Sender:** Spoofed internal address
- **Attachment:** `update_instructions.pdf.exe`
- **Target:** Employees in the finance department

## Next Steps
With the execution of the malware likely through the attachment, it is imperative to monitor for any suspicious processes or unusual network traffic indicating malware execution.