Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2263fa6e0302106…

MALICIOUS

PDF

2.3 KB
MD5: deb309b699aaabefae9a6b55dd0a7536 SHA-1: 7eb164e562ec7bcd247251e4c2145a86efd755af SHA-256: d2263fa6e03021068bbba7759b621c208a8b36bd51dcb9ca2f27546bc040a123
118 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. A critical finding is the CVE-2009-4324 exploit targeting the media.newPlayer object, which is a known method for executing arbitrary code within PDF documents. The embedded JavaScript also contains an eval() call, suggesting obfuscated code execution. The primary intent appears to be exploiting this vulnerability to download and execute a secondary payload, though the specific payload and download URL are not directly extractable from the provided evidence.

Heuristics 5

  • 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.
  • eval() call high PDF_EVAL
    eval() found — commonly used for obfuscated exploit execution
  • 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_obj0005_000.js
8ea336724a7f1f47670093a3ba1f6598f5f507b2d000e2660ef0f3c1aa152fed
pdf-javascript-stream PDF /JS object 5 at offset 0x117 1797 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 4 eval/decoder/string-building token(s).
javascript_obj0005_001.js
ca02d2d29a61a078e86fe8f9e778118a5673ba00c5c069052a707663f3351299
pdf-javascript-stream PDF /JS object 5 at offset 0x117 33 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 eval/decoder/string-building token(s).