PDF malware analysis — malicious · 3713bebee12029e0

MALICIOUS

PDF

2.7 KB Created: 2009-10-04 15:03:17 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: dfed57e72a7a60f46684c243432dbaf2 SHA-1: a10751049ce3e4f59208364950d20f17dfd5a81d SHA-256: 3713bebee12029e0433f1ce6c99977c5483c765f71a782b4ce3c12c8bfc3c80d

220 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 automatically execute code upon opening. Critical heuristics for CVE-2007-5659 (Collab.collectEmailInfo) and ClamAV detection (Pdf.Dropper.Agent-1504654) strongly suggest exploitation of a known PDF vulnerability. The embedded JavaScript stream, named 'javascript_obj0013_001.js', is likely responsible for downloading and executing a secondary payload, a common dropper behavior.

Heuristics 7

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. (matched in decompressed stream)
ClamAV: Pdf.Dropper.Agent-1504654 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-1504654
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 (matched inside decoded stream)
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_obj0013_001.js` `d1a8187ed46ad7fedfc60e609d18009655d300159500623b8aff1f7ef0a1654d`	pdf-javascript-stream	PDF /JS object 13 at offset 0x365	2712 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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