PDF malware analysis — malicious · 87ebedb10fa618eb

MALICIOUS

PDF

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

MD5: 86a5db8638a1654f65638a5eecabaa6b SHA-1: 82d25d84ed22127cb30a1f72f1995e98edd11253 SHA-256: 87ebedb10fa618eba83cde11b96a269c8ef4e77ad4f04d698cfb5c4c5e514589

198 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link T1204.002 Malicious File

The PDF file contains multiple critical heuristic firings indicating exploitation of CVE-2009-4324, CVE-2009-0927, and CVE-2007-5659. These vulnerabilities are leveraged through embedded JavaScript, which is likely used to download and execute a secondary payload. The presence of deobfuscated JavaScript files further supports this analysis.

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 7

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0032_000.js` `68174a37247b7349ea643e6a811b3fa82fbaaefacd71027e4ecf8bbf0c6ef3df`	pdf-javascript-stream	PDF /JS object 32 at offset 0x365	188 bytes
`javascript_obj0034_001.js` `63c2f837a6b8f04c590cee3e4bac488154add0d45bfb71fc44ef2f4fad15cc20`	pdf-javascript-stream	PDF /JS object 34 at offset 0x43F	346 bytes
`javascript_obj0036_002.js` `b16c0f3d5127a33fc223f64f5a3b5557f33869c901f419bc2566a62a52348f40`	pdf-javascript-stream	PDF /JS object 36 at offset 0xAC	220 bytes
`legacy_pdfkit_stage_000.js` `5c57408491ce593e20a0869de77d5f75a9552194dd1612bab124242f72e39136`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x573	1809 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` `b0631c8939576dcca33d3f1243f60ae2182a674c903fb7ff32a0ea19f8b066f1`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0xB54	1657 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` `0aad5857d51c75469ee9aff4bb8870a9216c6244c873ac6011603ca1e2a3f36c`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x115E	2967 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).
`deobfuscated.js` `d49d8f60ada3044b795d3203c3eff31c45e50efd1c251ecfc22c246a5fe343b7`	deobfuscated-js	PDF JavaScript deobfuscation pass	64393 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 long base64-like blob(s).

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