PDF malware analysis — malicious · 8822201c9127d910

MALICIOUS

PDF

2.7 KB Created: 8769-01-01 Authoring application: 1472

MD5: c1ab4c4550dafb2eb92e2580c4e8f887 SHA-1: dc55f954d3d4fe14b0ea3bc611f94a9a6d5a2f37 SHA-256: 8822201c9127d910004d821882f1b6e64095f08d3dbb3e2f24211da8231a2d60

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. ClamAV also detected this file as 'Pdf.Exploit.Agent-36014'. The embedded JavaScript, named 'javascript_obj0013_001.js', shows signs of obfuscation and hex escape sequences, suggesting it is designed to perform malicious actions such as downloading and executing a second-stage payload. The exact intent of the script cannot be fully determined due to obfuscation, but its presence within an exploit-aware PDF points to a malicious delivery mechanism.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
Suspicious extracted artifact medium 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.
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `3d7a3364d936bccc8cc847b4aa803ae93d61f61e59ec3679e520929695c94a5a`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4798 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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