PDF malware analysis — malicious · 330c0b3e085e066c

MALICIOUS

PDF

12.4 KB

MD5: 038de9232f70584170da6f0cafce2499 SHA-1: 1b0a26034388ef72a150a5f039f702e983a9f9aa SHA-256: 330c0b3e085e066c83cef25192cee65357ddb0a5d85c26b1a24801ad4e500f80

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, specifically using the 'collab.collectEmailInfo' method. This technique is commonly used to download and execute additional malicious content. The presence of deobfuscated JavaScript files further supports the execution of malicious code. The exact payload or final destination could not be determined from the provided evidence.

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` `72eb070bd11cb5f1f9d5ea65a7ea3e94e88547eb0c1799501e5d03cd0e8e8f55`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	12236 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `c1b4122979294c379c9b832e60552e9ee2c3cc8259306e2ada310cb745618a32`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	5076 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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