PDF malware analysis — malicious · aaeaafa65a1a8f94

MALICIOUS

PDF

12.9 KB

MD5: c67d80a2c9f603952123d97d4e2f7a97 SHA-1: 349127d69aa862f0a9cf62031d7e5ca515610cff SHA-256: aaeaafa65a1a8f942842ce08a9a3851f7524ad373c3af71bcf7875c85345aae3

138 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, identified as a critical exploit for CVE-2007-5659. This exploit leverages the Collab.collectEmailInfo function to execute JavaScript. The presence of deobfuscated JavaScript files suggests a multi-stage execution process, typical of PDF-based malware delivery. The ClamAV detection further confirms its malicious nature.

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` `ea146933d42a03a4cf1a2f0b5bd8e99d7868f5605e4956146118e9e3888da1f0`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	12522 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `87e647b84a13feb0e69c63b7c64a22e03e76a86523ada168707d6f5c00c5676f`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	5209 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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