PDF / .PHP malware analysis — malicious · e70ad3d1a1478322

MALICIOUS

PDF / .PHP

6.6 KB Created: 2009-01-35 62:12:26 Authoring application: Adobe

MD5: 5214055584a452744429d260e8378f06 SHA-1: f1eb60748083b2794aa99df3baaf52ddc04e5404 SHA-256: e70ad3d1a147832210679996e42ec86ccdb329fa95d2a5984e48973f2306d628

198 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains multiple critical heuristic firings indicating the exploitation of CVE-2009-4324, CVE-2009-0927, and CVE-2007-5659. These vulnerabilities are leveraged to execute embedded JavaScript, which is further deobfuscated into multiple stages. The primary function of this JavaScript appears to be downloading and executing a second-stage payload, although the specific URLs or final payload are not directly extractable from the provided evidence. The presence of multiple exploit attempts suggests a sophisticated delivery mechanism.

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. (identified after JavaScript deobfuscation)
Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927

PDF JavaScript calls Collab.getIcon — CVE-2009-0927 is a stack buffer overflow in Adobe Reader triggered by Collab.getIcon() with a crafted argument. Allows arbitrary code execution. (identified after JavaScript deobfuscation)
Collab.collectEmailInfo — CVE-2007-5659 critical CVE exact CVE_2007_5659

PDF JavaScript calls Collab.collectEmailInfo — CVE-2007-5659 is a buffer overflow in Adobe Reader triggered by a long argument or heap-sprayed message field passed to Collab.collectEmailInfo(). Part of a series of Acrobat JS API exploits. (identified after JavaScript deobfuscation)
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 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0032_000.js` `61bf089ca13d79f9197d03f16ea302a81ff5c353be1ef343eec4f5c2efe97a26`	pdf-javascript-stream	PDF /JS object 32 at offset 0x37A	311 bytes
`javascript_obj0034_001.js` `a42342f161ccfca876fed4c3f34e6a24dc759a263183bd996f0d13a503cba6ce`	pdf-javascript-stream	PDF /JS object 34 at offset 0x486	491 bytes
`javascript_obj0036_002.js` `bcd50f6dd8216bfc40d1e095585a83992a1277fe647fe2e5ce8ef6ede782fb48`	pdf-javascript-stream	PDF /JS object 36 at offset 0x7C	320 bytes
`legacy_pdfkit_stage_000.js` `91be26a3bf133dc3029bb87d5ef62aa711d3453642ddd7fd9345ec23c910ee6c`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x5E6	1646 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_001.js` `13c62319adb3cc8074e3213806d6dcefd470745523b2bdeb321cbd45f3894e45`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0xBEF	1806 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_002.js` `102d5567e3403a6fe098fa4f3ecfaaef8288a033df2a7f2ce93f0cb8d823f6f3`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x11CD	2950 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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