PDF malware analysis — malicious · dd7ed115edf9ef8c

MALICIOUS

PDF

3.0 KB

MD5: 767e5686ffc2f9c92028032153ccfdf1 SHA-1: 053229d0d0d48ca39deca50dba307437491359b4 SHA-256: dd7ed115edf9ef8cf8653a6f89b03b2794b288a1b6618bea8cdcbd0cc94e57fd

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell T1059.003 Command and Scripting Interpreter: Windows Command Shell

The PDF file contains embedded JavaScript, which is triggered by the CVE-2007-5659 vulnerability (Collab.collectEmailInfo). The JavaScript is obfuscated and likely intended to download and execute a second-stage payload. The presence of JavaScript actions and embedded JS streams, along with the specific exploit firing, strongly indicates a malicious PDF designed for exploitation.

Heuristics 5

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.
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
Suspicious extracted artifact high 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.
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `437d4773ccddf67b642e7db523d952767de678cf6d263256721dab9d207ec8f8`	pdf-javascript-stream	PDF /JS object 7 at offset 0x2A5	2039 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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