PDF malware analysis — malicious · f831ddbf9c7fcd1a

MALICIOUS

PDF

2.7 KB Created: 9743-01-01 Authoring application: 6078

MD5: bcbc68a8b2ff6c3f0f2d5ea5861c671d SHA-1: 3a1c12ae06ba9f83b2043d02d866046b9dfeaa6a SHA-256: f831ddbf9c7fcd1ad933a9bba4daf1cee3fc3597f7f89dfff7851ae8c58d0442

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. ClamAV detection 'Pdf.Exploit.Agent-36014' confirms its malicious nature. The embedded JavaScript is obfuscated and likely attempts to exploit a vulnerability within the PDF reader to download and execute a secondary payload. The 'EXTRACTED_FILE_STATIC_TRIAGE' heuristic also flagged suspicious elements like hex escape obfuscation within the extracted JavaScript file.

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` `b33f21fde9c22af5d86e84eba0f0f4f26af062ee7fa51f799d593056f83cc382`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4796 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).

Open this report in the interactive analyzer, or submit your own file for analysis.