Which versions of zpdfopt9rdj7xfj are malicious?

The following RubyGems versions of zpdfopt9rdj7xfj are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate zpdfopt9rdj7xfj if I installed it?

Remove zpdfopt9rdj7xfj from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

I already installed zpdfopt9rdj7xfj — how do I know if it already compromised me?

If zpdfopt9rdj7xfj was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Is zpdfopt9rdj7xfj part of a known attack campaign?

Yes — zpdfopt9rdj7xfj is associated with the RLMA-2026-04317, RLUA-2026-10255 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find zpdfopt9rdj7xfj across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for zpdfopt9rdj7xfj (version 0.0.1).

Malicious package

zpdfopt9rdj7xfjRubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

zpdfopt9rdj7xfj is a confirmed malicious RubyGems package (MAL-2026-9666) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in zpdfopt9rdj7xfj (RubyGems)

MAL-2026-9666

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

gem uninstall zpdfopt9rdj7xfj

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

10c12899ef1dc09d8825cb7e0e397b1c4a104345fc466b72816a6c5596b899eb

f20fbb7fb148fff40f4df28dd979e007f90ae6180d4c4c5f5b3837603a1dfd7b

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for zpdfopt9rdj7xfj (version 0.0.1).
If you installed it — respond
Remove zpdfopt9rdj7xfj from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.
Did it already run?
If zpdfopt9rdj7xfj was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. zpdfopt9rdj7xfj on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-04317RLUA-2026-10255

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks zpdfopt9rdj7xfj-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database