PDF malware analysis — malicious · 28494d71a4168b01

MALICIOUS

PDF

1.4 KB

MD5: c0ddea79e45432fedd609b2b3cf3df5e SHA-1: 2feee3e36927f1118dd7d858990cb9a0a605c42e SHA-256: 28494d71a4168b01d9c3e265f2caed1e9d4dac2d32246506c06eb9bad51eb67b

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, which is triggered by a CVE-2009-4324 exploit targeting the media.newPlayer object. The JavaScript is obfuscated, but the exploit itself is a clear indicator of malicious intent. The primary attack vector is the exploitation of a known vulnerability in PDF viewers.

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. (matched in decompressed stream)
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.

Filename	Kind	Source	Size
`javascript_obj111111_000.js` `1c3e0d4b96f1f97e86b78c0bf96803c1a65aadf7e1910d20d32fe89f9288518f`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1212 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`javascript_obj111112_001.js` `9fb21610b597cf3387275d10a1c5db9c2a572a1bfe6b24bb7cdfdc37ed1028a4`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x46E	253 bytes

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