PDF malware analysis — malicious · 453e6abfc43d1e50

MALICIOUS

PDF

11.8 KB

MD5: d23bfb7c527a53faf6ced4e091417e6c SHA-1: 6839d1efeec23296e7c50288fdff5a60082fe1b1 SHA-256: 453e6abfc43d1e50dfdcf49c302cfe902309c4e734aa6afa2b210a56cd2843a5

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains embedded JavaScript that leverages the Collab.collectEmailInfo method, indicating exploitation of CVE-2007-5659. The presence of deobfuscated JavaScript files suggests the script is designed to download and execute further malicious content. The ClamAV detection further supports its malicious nature. The exact payload and delivery mechanism beyond the initial exploit are not fully discernible from the provided artifacts.

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. (identified after JavaScript deobfuscation)
ClamAV: Pdf.Exploit.Agent-36065 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36065
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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `9c67560e8c63b720885d3efc1627b844b86a6ec08e99e5b65a22eae832045756`	pdf-javascript-stream	PDF /JS object 7 at offset 0x19C	431 bytes
`legacy_pdfkit_stage_000.js` `8c18376d40948c4210d1858a6ee538f0dc4bc6fec5aab48d46a733004074e894`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x315	12082 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `a50c23fdcb7223785cb0882404eb150208ecd858944863cd6271d90380476c7c`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x315	4977 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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