Pdf.Dropper.Agent-7306212-0 PDF malware analysis — malicious · cf2b4c3cc10fd22e

MALICIOUS

PDF

4.0 KB

MD5: 704acdf1b84ff70f88158a5944196822 SHA-1: 1951b2a3879220b71382c7daf4ce611a2d3d1c06 SHA-256: cf2b4c3cc10fd22ee3eb2a98ddabbe3072a4694bcc61086292a8a54ade54ee3b

126 Risk Score

Malware Insights

Pdf.Dropper.Agent-7306212-0 · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, including obfuscated streams and eval() calls, indicative of a dropper. The ClamAV signature 'Pdf.Dropper.Agent-7306212-0' strongly suggests its function as a downloader. The presence of extracted JavaScript files further supports this, although their specific actions are not detailed in the provided evidence. The file's purpose is to execute malicious code by leveraging JavaScript within the PDF.

Heuristics 6

ClamAV: Pdf.Dropper.Agent-7306212-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7306212-0
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` `6fa037aa0d418c33b749abca60a6fa9f9cea88de26c124ad15ec1e2d645eaa56`	pdf-javascript-stream	PDF /JS object 13 at offset 0x368	6341 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` `75c14af25a018475c8bc20056cf3e6ce622df718f70ec2ffb2b2d6d65b0cc0c8`	deobfuscated-js	PDF AcroForm base64 (decompressed) at offset 0x99D	3603 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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