Pdf.Dropper.Agent — PDF malware analysis

Static analysis result for SHA-256 9d7e10bb73d3bfe8…

MALICIOUS

PDF

1.4 KB
MD5: 817e36497aa71f7b20139d93fbd6d5c1 SHA-1: afee2772847b23bfd9d23e89adcc1c2d9284cd59 SHA-256: 9d7e10bb73d3bfe84ab6a67e4ab1228841c9390a2304f442641411017e9b0753
178 Risk Score

Malware Insights

Pdf.Dropper.Agent · confidence 90%

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

This PDF file contains embedded JavaScript that leverages the CVE-2009-4324 vulnerability via the media.newPlayer object. The embedded JavaScript stream, particularly javascript_obj111712_001.js, is obfuscated but likely intended to download and execute a secondary payload. The ClamAV detection name 'Pdf.Dropper.Agent-7286856-0' further supports its role as a dropper.

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-7286856-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7286856-0
  • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj111711_000.js
ed214d008ca7f8fad0affc792159f2b30ce479dc90c5348e0751937c74ebe0c2		 pdf-javascript-stream PDF /JS object 111711 at offset 0x197 291 bytes
javascript_obj111712_001.js
9cfff0fba593e146b8463b9a5077993af93e22dbdc7fd7af95089fe1a53359f1		 pdf-javascript-stream PDF /JS object 111712 at offset 0x2B2 972 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 eval/decoder/string-building token(s).
javascript_obj111713_002.js
d2f98bec78aa096efa5aca99b701d5e6b9a8e2cf728fb7e79bf248862bacf14b		 pdf-javascript-stream PDF /JS object 111713 at offset 0x514 70 bytes

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