PDF malware analysis — malicious · 51416965c3d86d01

MALICIOUS

PDF

2.7 KB Created: 4552-01-01 Authoring application: 1061

MD5: 2d807e73f107e69c811567f0655c992a SHA-1: 8e2449e3bd284302aec1086da973c9713d05e457 SHA-256: 51416965c3d86d019c0610d3db94b072ec8f19416867f9466dde81a660fccde1

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this JavaScript is malicious and exploits a known vulnerability within PDF documents. The extracted JavaScript file, 'javascript_obj0013_001.js', is likely responsible for the malicious behavior, potentially downloading and executing a second-stage payload. The confidence is slightly reduced due to the lack of specific script content for detailed analysis.

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` `296858aad3fb49a8097fa4e5e9545b35a8854a92b0e426e66e37284d474d1213`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4796 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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