Pdf.Dropper.Agent — PDF malware analysis

Static analysis result for SHA-256 306a831d4542d684…

MALICIOUS

PDF

1.4 KB
MD5: cfcc0fe7fc36c30605d3bcd2ad7a6b1c SHA-1: bbeda6fb324fd46c9894eff86475ddd776f5f4c6 SHA-256: 306a831d4542d684683d2229167b4c9019c4209e70ca353debea01b9972f5d28
178 Risk Score

Malware Insights

Pdf.Dropper.Agent · confidence 95%

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript and exploits CVE-2009-4324 via the media.newPlayer function. The embedded JavaScript is likely obfuscated and designed to download and execute a secondary payload, as indicated by the ClamAV detection name 'Pdf.Dropper.Agent'. The presence of JavaScript actions and streams, along with the specific CVE exploit, strongly suggests a dropper functionality.

Heuristics 6

  • media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324
    PDF JavaScript calls media.newPlayer — CVE-2009-4324 is a use-after-free in Adobe Reader's multimedia plugin triggered by media.newPlayer(). Actively exploited as a zero-day in December 2009. (matched in decompressed stream)
  • ClamAV: Pdf.Dropper.Agent-7245703-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7245703-0
  • unescape() call high PDF_UNESCAPE
    unescape() found — often used to decode shellcode in PDF JS exploits (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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj111111_000.js
761a66dee69d0659d000e6e60033a05297ac68c9dcc6cba722b46d9c288a0f5e		 pdf-javascript-stream PDF /JS object 111111 at offset 0x160 1249 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
javascript_obj111112_001.js
4216adc8400f071bd70aa49f5187dc9fe503102b3cde353c850146e6c32421f6		 pdf-javascript-stream PDF /JS object 111112 at offset 0x481 265 bytes

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