PDF malware analysis — malicious · cd0e89cd27bdd1f6

MALICIOUS

PDF

12.4 KB

MD5: e1963d30b0384a00a10fb4529db1dc44 SHA-1: e7dba6315dd58bbd076675e35ec9b21176ff2dda SHA-256: cd0e89cd27bdd1f6579659e2cb6d02f7bd290118c959121b2b1c442153c0b9ad

138 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, flagged by multiple heuristics including a critical alert for CVE-2007-5659 related to the Collab.collectEmailInfo function. This indicates the file is designed to exploit a known vulnerability in PDF readers. The presence of deobfuscated JavaScript files suggests an attempt to download and execute further malicious content. The ClamAV detection further supports 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` `62f90dfd001d5fa9f12fef49ea17bc6d3a5fb9c37daf96074a3d28afd8a4d6f3`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	12159 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `8f4b082c9847b6fdb6254c50d28b7f66e3a6bb04939712e1d11762e419bb1d07`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	5024 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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