PDF malware analysis — malicious · 4f7032e0838323be

MALICIOUS

PDF

12.6 KB

MD5: d1c3115501f271ae9110de32242de59b SHA-1: a7297b47cecc1fb6a1e45944719df5830c79a0f1 SHA-256: 4f7032e0838323becab7390db0c394988e1dc69ebef9f7d799f942bce68d9929

138 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript that leverages the CVE-2007-5659 vulnerability (Collab.collectEmailInfo). The analysis indicates that this JavaScript is designed to download and execute further malicious content, as evidenced by the extraction of deobfuscated JavaScript files. The specific exploit and delivery mechanism suggest a downloader or initial access stage.

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-36062 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36062
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` `068944f8c011a88ab770b45c6de142b9305a1f515d410204d5eadd9ac2b5bfb3`	pdf-javascript-stream	PDF /JS object 7 at offset 0x19B	373 bytes
`legacy_pdfkit_stage_000.js` `aa3a545ab065327ada1fd15d329fc60e35a3f0a3201cfee3a876cd6c18408506`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	12366 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `bb38754e353246f43ca161efd9d71fbd5f8c12f984f8d22f1163329b29645dab`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	5034 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.