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Malicious package

zzpdfvar07RubyGems

Advisory published Updated

zzpdfvar07 is a confirmed malicious RubyGems package (MAL-2026-9964) 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 zzpdfvar07 (RubyGems)

MAL-2026-9964
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zzpdfvar07

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

c8e1e498aa8dbc76af951fd6beaae02d9cf3f19dcd6485409af468a2ffc24bf0
756ab866b4c222548dfdebd2e90fe3193555b7314e0d40068048d667e34ae8f2

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zzpdfvar07 (version 0.0.1).

  2. If you installed it — respond

    Remove zzpdfvar07 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.

  3. Did it already run?

    If zzpdfvar07 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. zzpdfvar07 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-2026-04615RLUA-2026-10553

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zzpdfvar07-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.

Explore

zzpdfvar07 (RubyGems) malicious package — MAL-2026-9964 | O3 Security