PDF malware analysis — malicious · dd0e63e097967099

MALICIOUS

PDF

3.5 KB Created: 2008-08-06 01:42:27 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: fc1fd67e13ef57d41f5db68d678106ac SHA-1: 33884d746250ee35a11f37bc7e119e3b00bb2005 SHA-256: dd0e63e097967099b52f9d017a374d84684edb6c71436890f22a3ae88dc86912

158 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file contains embedded JavaScript triggered by an OpenAction, indicating an attempt to exploit vulnerabilities. Specifically, the 'Collab.collectEmailInfo' function is a known indicator for CVE-2007-5659, which can lead to arbitrary code execution. The presence of obfuscated JavaScript and the 'unescape()' function further support the malicious intent to download and execute a secondary payload. No specific malware family could be identified.

Heuristics 6

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.
OpenAction trigger high PDF_OPENACTION

PDF has an /OpenAction — code runs automatically when opened
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0012_001.js` `243cba5c4721b34ff2350ca5f8a6f6c64d5182727fe33c64cba2a0079149a580`	pdf-javascript-stream	PDF /JS object 12 at offset 0x36A	1956 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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