PDF malware analysis — malicious · f404a09328c50a19

MALICIOUS

PDF

73.5 KB

MD5: 09e7dcc8273a1750f89b5d3070c9148f SHA-1: d01d696b185a2a9f7b16706fcdf9a24eb7be2401 SHA-256: f404a09328c50a1984f707ee4bf2a1b2a42f3991a3160bc8e6fdb88814eaed09

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1566.002 Spearphishing Attachment T1204 User Execution

The PDF sample contains embedded JavaScript and triggers a critical heuristic for CVE-2009-4324 (media.newPlayer). The JavaScript stream, identified as 'javascript_obj0008_000.js', is likely responsible for exploiting this vulnerability. The primary intent appears to be the execution of arbitrary code, potentially leading to the download and execution of a second-stage payload.

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)
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0008_000.js` `243387a542e276d3db340d27b932126e76dd994eca279449b1c4142bb46c2928`	pdf-javascript-stream	PDF /JS object 8 at offset 0x2D1	3487 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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