Pdf.Dropper.Agent-5342576-0 PDF malware analysis — malicious · 1f867f9e2db6739c

MALICIOUS

PDF

3.0 KB

MD5: 861a4c7e4ae1da83fd6ab579110c3360 SHA-1: 09104bb72e65d01c3b1f71d0f7917c3f157b11f7 SHA-256: 1f867f9e2db6739c32ac33636453d4904a2016b74341d8d5d9ff8d26a1b1cce6

86 Risk Score

Malware Insights

Pdf.Dropper.Agent-5342576-0 · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, identified by multiple heuristics including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection 'Pdf.Dropper.Agent-5342576-0' strongly suggests its malicious nature as a dropper. The embedded JavaScript, named 'javascript_obj0009_000.js', is likely responsible for downloading and executing a secondary malicious payload, a common technique for PDF-based malware delivery.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-5342576-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-5342576-0
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0009_000.js` `ec3f31aac29ce5912ea717fbc17f6a07ead2870d666eb580f3aa2a1ef40517e4`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	20833 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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