Canvas Refined
Score-based assessment (critical risk, 85/100). No analyst review available.
Analysis record
- Analysed
- 6 days ago
- Version
- v7.0.3
- Artifact
- SHA256 948…D41
- Source
- Findings (non-IoC)
Evidence ledger
Ranked by severity · findings with a source location link to the code viewer
YARA Rule Matches
10 rules| Severity | Rule | Hits | Files | Metadata |
|---|---|---|---|---|
| LOW | postinstall persistence mechanism | 2 | js/content.js_locales/en/messages.json | - |
| LOW | postinstall crypto operations | 4 | js/content.jsjs/markdown.jscss/darkmodecss.js +1 more | - |
| LOW | credential steam data | 1 | js/themes.js | - |
| LOW | postinstall file manipulation | 6 | js/content.jsjs/popup.js_locales/pt_PT/messages.json +3 more | - |
| LOW | postinstall network communication | 8 | html/options.htmljs/content.jsjs/popup.js +5 more | - |
| LOW | postinstall environment access | 4 | js/content.jsjs/popup.jscss/darkmodecss.js +1 more | - |
| LOW | postinstall obfuscation | 3 | js/content.jsjs/popup.jshtml/popup.html | - |
| LOW | postinstall system command | 5 | js/content.jsjs/popup.js_locales/pt_PT/messages.json +2 more | - |
| LOW | postinstall file download | 5 | js/themes.jsjs/background.jsjs/content.js +2 more | - |
| LOW | NoUseWeakRandom | 2 | js/content.jsjs/popup.js | - |
Network Indicators
Concrete URLs, domains, IPs, emails, and hashes extracted from the analyzed artifact.
Network indicators are queued for lazy loading
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Publisher Evidence
Limited evidenceGuy
Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.
Firefox does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.
13 evidence rows available.
Finding Categories
YARA Rules Matched
10 rules(40 hits)Requested Permissions
3 permissionsSecurity Analysis Summary
Security Analysis Overview
Canvas Refined is a Firefox Add-ons extension published by Guy. Version 7.0.3 has been analyzed by the Risky Plugins security platform, receiving a risk score of 85/100 (CRITICAL risk) based on 4674 security findings.
Risk Assessment
This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.
Findings Breakdown
- Medium: 4634 finding(s)
- Low: 40 finding(s)
What Was Analyzed
The security assessment covers multiple analysis categories:
- Malware Detection: YARA rule matching against 2,400+ malware signatures
- Secret Detection: Scanning for exposed API keys, tokens, and credentials
- Static Analysis: Code-level security analysis for common vulnerability patterns
- Network Analysis: Detection of suspicious network communications and endpoints
- Obfuscation Detection: Identification of code obfuscation techniques
Developer Information
Canvas Refined is published by Guy on the Firefox Add-ons marketplace. The extension has approximately 43 users.
Recommendation
This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.
Firefox version history
Risk trend by version
3 analyzed versions. Each point is the latest successful scan for that version; failed zero-score scans are hidden. Dates are based on first seen by risky plugins.
Pick any point on the chart to explore that version's code below.
Source Code Not Available
Source code is not available for this version of the extension.
About This Extension
Frequently Asked Questions
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