PDF malware analysis — malicious · d0d5dc225fc5b0fd

MALICIOUS

PDF

12.0 KB

MD5: fae6bdc3ee8696d9794edb079d24fbd2 SHA-1: 211342dd5818f05d672bc1f5e8df333c095db188 SHA-256: d0d5dc225fc5b0fd4e37f1cc7ae21a4bc65dbc6a3b2440cb67122573f6cec4b1

138 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file contains embedded JavaScript, identified by multiple heuristics including PDF_JAVASCRIPT and PDF_JS. The critical CVE_2007_5659 heuristic indicates the use of a known vulnerability involving the 'collab.collectEmailInfo' JavaScript function to execute arbitrary code. Deobfuscated JavaScript files were extracted, suggesting a multi-stage attack. The primary function of the embedded script appears to be the execution of further malicious code, likely a downloader for a second-stage payload.

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` `8b8736f1810a97149e5a2f7bd2167881ed44c92847dd9ab14b900f1d95df2733`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x315	12249 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `c1bb774f7fadcd176b34da32b82d292ba9305a408060477186ebfa7258ac6363`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x315	5040 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.