PDF malware analysis — malicious · 276c80c54a882786

MALICIOUS

PDF

2.3 KB

MD5: c180a57e0e3e7eaf2b53f572d0f8f4f2 SHA-1: 78185ab3abd15bb6b72fff947c805113375645b0 SHA-256: 276c80c54a8827862ec12fff72fb0143596f2d7b8ae08f2acf2dd227b798bc57

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, which is executed using an eval() call. 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 run malicious code, likely to download and execute a second-stage payload. No specific family could be identified.

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.

Filename	Kind	Source	Size
`javascript_obj0005_000.js` `7154042e9a7cfbcb7d1ac28315fa5c96a3adc7a800640b9895f3a8bcbfdd8600`	pdf-javascript-stream	PDF /JS object 5 at offset 0x117	1859 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`javascript_obj0005_001.js` `a4a39a95112adeb7becbe348ae769bf8a4316eb18c0ca19b042a5144275ca0a0`	pdf-javascript-stream	PDF /JS object 5 at offset 0x117	42 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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