PDF malware analysis — malicious · ad00eff9441dbfe6

MALICIOUS

PDF

12.5 KB

MD5: e9b43a77d67917229cca3841c0913cdf SHA-1: f5c02042ac4a414ceee88ccb04e1e8a76327f574 SHA-256: ad00eff9441dbfe62683ffa7aae1c04b6ee1ef86e7f5e9796e698891ccce1970

138 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

This PDF file contains embedded JavaScript that leverages the CVE-2007-5659 vulnerability via the Collab.collectEmailInfo method. The JavaScript is obfuscated and appears to be part of a multi-stage process, with extracted files named 'legacy_pdfkit_stage_000.js' and 'legacy_pdfkit_stage_001.js' suggesting further execution. The primary goal is likely to download and execute a secondary malicious 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-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` `cb1cac99cc79574eb63c875be7cc6dbc88660576dffc7ac98f372c3c4771e692`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	12274 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `ef8e9ed7c04e6db1de90503ce1bb0bcda1b7a766900ab2e725277a50f2bb11fb`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	5004 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.