PDF malware analysis — malicious · a7abfe04b52ac141

MALICIOUS

PDF

12.9 KB

MD5: 2e712b0318651ed993f0013c0a71a26b SHA-1: 8553764225f8418a9e4eb6b6a861b2203d548e52 SHA-256: a7abfe04b52ac141dba8792f941e21e63fd5b89a71aff26b41fa3f18753e8a73

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 JavaScript

The PDF file contains embedded JavaScript and triggers the CVE-2007-5659 vulnerability, indicating an exploit attempt. The presence of deobfuscated JavaScript files suggests the execution of malicious code. The ClamAV detection further supports its malicious nature. The exact payload or ultimate goal is not fully discernible from the provided information, but the exploit and script execution are clear.

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` `980798e55f0d679fab982a76da52001437140e3d0cf09cc12d08f0e0fa7a6c90`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	12601 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `1e98aa89de80e831507501d9054b1cd1e9f17fb85c60e8c08c26b1ec225a4278`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	5175 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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