PDF malware analysis — malicious · a1c74a5a2f76c42d

MALICIOUS

PDF

1.4 KB

MD5: 90fb18a1186d2bc1ff3a3187faa7ff8b SHA-1: 674e9c0357ee303a4d683bb148bb8f3f2a11a870 SHA-256: a1c74a5a2f76c42d7ec3c49d22882feb41c77134b8d917133ff4d61bacf0c649

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link: Malicious File

The PDF file contains embedded JavaScript that is obfuscated and uses an unescape function. The critical heuristic firing indicates exploitation of CVE-2009-4324 via the media.newPlayer object. This suggests the primary goal is to leverage this vulnerability to execute arbitrary code, likely to download and run a second-stage payload. The document body is unreadable, providing no further context on the lure.

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` `493564482c7db4ea3a9a14764f92d6bee3c2fd0059e8e764239c5d4ecaa60edc`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1269 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` `ac5657fa8cb6c142ac78ba5b90e191202f581aef6d9dd74959025921bb17e0aa`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x48D	259 bytes

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