PDF malware analysis — malicious · 1b0dd796f62d859d

MALICIOUS

PDF

2.7 KB Created: 667 Authoring application: 8919

MD5: 231a0484f4b8b24014c2e7b17f1ccbf3 SHA-1: 8b0e10bf808f0f9f397efaf452a2032eb7014740 SHA-256: 1b0dd796f62d859d104d3deff7d61b3829b276b735eb6bce97b52c6d85cdf0ec

128 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file was flagged as malicious by ClamAV with the signature Pdf.Exploit.Agent-36014. Static analysis revealed embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier also assigned a high probability of maliciousness. The extracted JavaScript file, javascript_obj0013_001.js, likely contains the exploit code responsible for the malicious behavior.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `c5a26fdd626dedd192ddd5486a38398d803c3df310d1233eaaca3cbb08679d5b`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4757 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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