Pdf.Dropper.Agent-7266161-0 PDF malware analysis — malicious · 622bfed62e1ca9fd

MALICIOUS

PDF

2.5 KB

MD5: 24cebe7e5f2194e55f8aafd7d94a5469 SHA-1: bea709c207301b51146e69d2cf8bc4c4b2bcfd80 SHA-256: 622bfed62e1ca9fddbad291656adb5ea7404a039c918c68c902b3ad717b2ffb2

208 Risk Score

Malware Insights

Pdf.Dropper.Agent-7266161-0 · confidence 95%

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains obfuscated JavaScript that utilizes an eval() call, a common technique for executing malicious code. This script is identified as a dropper, indicating its purpose is to download and execute a second-stage payload. The ClamAV detection name further supports its classification as a dropper.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

PDF JavaScript exploit cluster critical PDF_JS_EXPLOIT_CLUSTER

PDF combines an executable JavaScript/action surface with exploit staging indicators such as eval/unescape/fromCharCode, XFA script content, or a related CVE pattern. Benign form JavaScript remains low-severity, but this correlated cluster is high-confidence malicious behavior.
ClamAV: Pdf.Dropper.Agent-7266161-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7266161-0
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.
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0009_000.js` `3c636f74f3128fe62aa46db644acf76442ff140f002fd99613a942384a0c0bb5`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	34278 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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