PDF malware analysis — malicious · dcd2ae26db28faa2

MALICIOUS

PDF

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

MD5: e17d06fada7d6cea775eaef64cc3380b SHA-1: 86946b29ea2f67b21162a4eee41a4c47c57a235f SHA-256: dcd2ae26db28faa28fc2f130e32dd75fe4b5766a26c0dfc8cdc52e891a6bf0e0

160 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains embedded JavaScript, triggered by an OpenAction, and utilizes the CVE-2007-5659 vulnerability (Collab.collectEmailInfo). The embedded JavaScript stream, named 'javascript_obj0013_001.js', is obfuscated and likely responsible for downloading and executing a secondary payload. The presence of JavaScript actions and the specific CVE exploit indicate a malicious intent to compromise the user's system.

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. (matched in decompressed stream)
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` `92abed6e18d80076adfb26410e114a616333c0dfa6297d34637a557279b06b90`	pdf-javascript-stream	PDF /JS object 13 at offset 0x364	2740 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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