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Security audit

PDF Toolkit

Security checks across malware telemetry and agentic risk

Overview

This is a disclosed cloud PDF-processing skill that asks for confirmation before uploading files and does not include hidden executable code.

Install only if you want an agent to use ComPDF Cloud for PDF work. Do not approve uploads for highly sensitive documents unless you accept third-party processing, and only save the API key locally if you are comfortable storing it in config/public_key.txt.

SkillSpector

By NVIDIA
Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Vague Triggers

Medium
Confidence
87% confidence
Finding
The skill advertises very broad trigger phrases such as 'process this pdf' and 'handle pdf file', which can cause the agent to invoke this skill for many ordinary PDF requests. Because this skill uploads user files to an external service, unintended invocation increases the chance of unnecessary third-party transmission of documents and accidental exposure of sensitive data.

VirusTotal

63/63 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.