LWA-2026-6941 MAL-2026-10778 ↗ confirmed malware

relativity-pdfjs-dist@5.8.2

Malicious code in relativity-pdfjs-dist (npm)

T1195.002 · Compromise Software Supply ChainT1059.007 · JavaScriptT1082 · System Information DiscoveryT1041 · Exfiltration Over C2 ChannelT1071.001 · Web Protocols

Analysis

Combosquat of the legitimate pdfjs-dist package. The package ships only a package.json with a preinstall hook that reads /etc/hostname and the machine's hostname, then POSTs them to the interactsh callback domain ecum3hc8xjtfd0hg9vcq7zekobu2i16q[.]oastify[.]com via curl. On install, the victim's host identity is exfiltrated to an attacker-controlled server. No other code is shipped.

analyzed by
Leitwacht
first seen
Jul 18, 2026, 08:20 AM
analyzed
Jul 18, 2026, 08:20 AM

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Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.