PDF malware analysis — malicious · 29dd3fa57b6bd30a

MALICIOUS

PDF

11.8 KB

MD5: 0024f99765d887aa045a096e0f71e1af SHA-1: 2ff11c2c23c2735f2d741d4687b4b4df414e48d7 SHA-256: 29dd3fa57b6bd30ae89ff4d042b56c5b9fb49342e16c02f46b2173524289ea97

138 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The critical 'CVE_2007_5659' heuristic specifically mentions the use of 'Collab.collectEmailInfo' to execute JavaScript, which is a known method for exploiting PDF vulnerabilities. The presence of deobfuscated JavaScript files further supports the execution of malicious code. The overall attack pattern suggests an exploit delivery mechanism targeting PDF reader vulnerabilities.

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` `9ec7c4553c1686dd281c95b069b33aaabb8182a407338b0505577798c329b2c9`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x315	12012 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `fd6c33cd896a2d39e6d47c9ae049a23ed896dd04f6ff38a8389a54cc78f3b6b2`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x315	4973 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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