PDF malware analysis — malicious · 2db14a3368fddf0d

MALICIOUS

PDF

8.9 KB

MD5: 560bab56eaa5422cbe5138192b1e820f SHA-1: 44c27c2531fcf8009b2f069e6807e2704f494c8e SHA-256: 2db14a3368fddf0d55b4a8309f04cdc2020c8e1192681dca5ff1993e6cb0c76e

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, which is triggered by the 'PDF_JAVASCRIPT' and 'PDF_JS' heuristics. The 'PDF_EVAL' and 'PDF_FROMCHARCODE' heuristics indicate that the JavaScript is obfuscated and likely used to execute arbitrary code. The ClamAV detection 'Pdf.Exploit.Agent-36086' further confirms its malicious nature. The embedded JavaScript file 'javascript_obj0006_000.js' is the primary artifact for further analysis.

Heuristics 6

ClamAV: Pdf.Exploit.Agent-36086 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36086
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
String.fromCharCode low PDF_FROMCHARCODE

String.fromCharCode found — used to construct payload strings dynamically. Common in benign JavaScript libraries for codepoint manipulation, so this alone is informational; weaponised use is also caught by the dedicated fromCharCode-stage and exploit-shape rules. (matched inside decoded stream)
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `871de6d844951129353e55a0ccd205ed8cae4ffe6665f85868c441392f7328fd`	pdf-javascript-stream	PDF /JS object 6 at offset 0x143	473900 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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