PDF malware analysis — malicious · f7876d761874298e

MALICIOUS

PDF

2.7 KB Created: 1472-01-01 Authoring application: 3719

MD5: 445ccafeca958a8f29ec8710b5362f96 SHA-1: f3ebb34438743560ceb2a74b28aa8aa4a69a1565 SHA-256: f7876d761874298e0a63e64932d929c8aaa515bc7c48bc1896cd91bab32e3f1f

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 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 exploitation. The extracted JavaScript file, 'javascript_obj0013_001.js', shows obfuscation indicators, further supporting the malicious intent. The primary attack pattern involves leveraging JavaScript within the PDF to execute malicious code, likely to exploit a vulnerability or download a secondary payload.

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` `8a99a85c36aea3d0e4ce0206ac433dce8914782a477d6683a7f682f7648c4f0c`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4816 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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