PDF malware analysis — malicious · b0d0056da8514b98

MALICIOUS

PDF

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

MD5: 5c9a0cad9eee9fc47b7b09719ab8eec2 SHA-1: c09633e83fbc4504de5eba1a3a0eb06eeb2fd016 SHA-256: b0d0056da8514b98890194f7ec2e9815d33e58450bc022b539d59cb0a8a91881

278 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

This PDF file contains embedded JavaScript that is triggered by the OpenAction feature, indicating an attempt to automatically execute code upon opening. The presence of the CVE-2007-5659 exploit (Collab.collectEmailInfo) and the detection of 'Win.Trojan.Agent-34667' by ClamAV strongly suggest malicious intent. The embedded JavaScript, named 'javascript_obj0013_001.js', is likely responsible for downloading and executing a second-stage payload, although its exact functionality is obscured.

Heuristics 8

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: Win.Trojan.Agent-34667 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Agent-34667
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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` `b3de06fbc8c5d72107a7e9bfd9cef2c76f7ed749860693aa5790f8d3150f3aac`	pdf-javascript-stream	PDF /JS object 13 at offset 0x365	2681 bytes
Detection ClamAV: Win.Trojan.Agent-34667 Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

Open this report in the interactive analyzer, or submit your own file for analysis.