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SpiderLabs: fake HireRight background-check emails abuse Calendly to install ScreenConnect

SpiderLabs says fake HireRight emails abuse Calendly forms to deliver a ScreenConnect MSI from treffert.screenconnect.com. HireRight, Calendly and ScreenConnect are not involved.

First reported
Reports
1

Source: x.com · published

SpiderLabs graphic of a HireRight-themed phishing flow abusing Calendly to deliver ScreenConnect
Image: Trustwave SpiderLabs (via X)

What happened

On 9 November 2026 Trustwave SpiderLabs posted on X that its MailMarshal service detected an active hiring-themed phishing campaign impersonating the background-screening company HireRight. According to the post, the email links to an attacker-created Calendly routing form with a fake document-review button such as View Document or View Proposal. Clicking it returns a link to a ScreenConnect MSI installer from an attacker-controlled ScreenConnect instance at treffert.screenconnect.com. HireRight, Calendly and ConnectWise ScreenConnect are legitimate companies whose brands or services were abused; they are not involved in the scam.

How the scam works

SpiderLabs' graphic shows the flow: a fake HireRight employment-reference email, a Calendly page asking the visitor to download a reference verification file, and then a ScreenConnect ClientSetup.msi download. Running that installer gives the attacker remote access to the computer. Example abused Calendly form paths listed in the post include calendly.com/d/dt89-7hh-5ww, calendly.com/d/dvcz-23t-bf6 and calendly.com/d/d4jf-gpc-ddy.

Hiring and background-check themes work because people expect to open documents for a job or reference check. Using a real Calendly address makes the middle step look routine, and ScreenConnect is genuine remote-support software that IT teams also use, so Windows may not block the installer as unknown malware.

Do not install remote-access software from an unexpected hiring or reference email. Anyone who ran the MSI should disconnect the computer, uninstall ScreenConnect if they did not install it themselves, change passwords from a clean device and have the machine scanned. Report the email to HireRight and to your security team if it reached a work inbox. The details come from the SpiderLabs post and have not been independently checked by scammers.com.

Source

Post by Trustwave SpiderLabs on X, 9 November 2026. Not independently verified by scammers.com.

Red flags

  • An unexpected HireRight or background-check email about a reference or employment review.
  • A Calendly page with a View Document or View Proposal button in a hiring context.
  • A download of a ScreenConnect or other remote-access MSI after clicking that button.
  • Pressure to install software to complete a reference check.

If you were targeted

  1. 1Do not install remote-access software from hiring or reference emails.
  2. 2Verify any HireRight request through contact details you look up yourself.
  3. 3If you ran the installer, disconnect the computer, uninstall it and change passwords from another device.
  4. 4Have the machine scanned and tell your IT or security team if it is a work computer.
  5. 5Report the email to HireRight and delete it.
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