PDF malware analysis — malicious · dad02289bc442e23

MALICIOUS

PDF

92.3 KB

MD5: 52db3bab0104426355d8da9b7c13435e SHA-1: 7d760821b4a99cf786045dcf3702c633cfb9c5b9 SHA-256: dad02289bc442e235961f4cf87cbde364a2250bdc576326f48ff1c6a2e32604f

260 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript that leverages multiple known vulnerabilities including CVE-2009-0927, CVE-2007-5659, and CVE-2008-2992. These exploits are designed to execute arbitrary code. The ClamAV detection 'Pdf.Exploit.Agent-36307' further confirms its malicious nature. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, as indicated by the heuristic 'Suspicious extracted artifact'.

Heuristics 7

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)
util.printf — CVE-2008-2992 critical CVE exact CVE_2008_2992

PDF JavaScript calls util.printf() — CVE-2008-2992 is a stack buffer overflow in Adobe Reader triggered by a long format-specifier argument. Widely exploited in the wild after disclosure. (identified after JavaScript deobfuscation)
ClamAV: Pdf.Exploit.Agent-36307 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36307
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_obj0008_000.js` `c43ab397a0571a81cce6cf274eca846bd7378ce0373a202de4b8806eb44392b3`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1E7	3066 bytes
`legacy_pdfkit_stage_000.js` `0eaaea64dcd8631f827adabd3a4b96a0a4b6ca96dab566af16a9531149954932`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0xE15	6042 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 11 eval/decoder/string-building token(s).

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