Pdf.Dropper.Agent-7292339-0 PDF malware analysis — malicious · ad3c706df3dfc467

MALICIOUS

PDF

4.0 KB

MD5: 7d84eff74c1a9e15f521a127596a0a35 SHA-1: 25c5a6fb2208227ebff5145972bcf9ef283c48ac SHA-256: ad3c706df3dfc467e5329ab39f3b26ba75347a285b2d788538f5afd0da2edfdd

126 Risk Score

Malware Insights

Pdf.Dropper.Agent-7292339-0 · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, including calls to eval() and String.fromCharCode, indicating obfuscated code execution. The ClamAV detection name 'Pdf.Dropper.Agent-7292339-0' strongly suggests this is a dropper. The JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for malware distribution via malicious PDFs.

Heuristics 6

ClamAV: Pdf.Dropper.Agent-7292339-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7292339-0
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `342a735ee2e9285c48bcb60b87431fc0a861705abdb6d643b8743cab833c4ca2`	pdf-javascript-stream	PDF /JS object 13 at offset 0x368	6325 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`acroform_b64_00.js` `660e415626c5d48a44ce85e7a0eccedf2c94e4225f38a5aa9ba09aa3b422a9ff`	deobfuscated-js	PDF AcroForm base64 (decompressed) at offset 0x99D	3590 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s). Carved artifact contains 4 long base64-like blob(s).

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