PDF malware analysis — malicious · 2ed18efc2dcff2ba

MALICIOUS

PDF

6.8 KB

MD5: 5476eec253da065f2d38017a439a0e07 SHA-1: c8bc40e738fcfb8f2fb42c14fd1c53cd59eef8f9 SHA-256: 2ed18efc2dcff2ba24c8aaff8d787a11dbb7df164b1efc6beb9fd994bfc54c37

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2007-5659, indicating exploitation of a known vulnerability. The presence of JavaScript and the specific CVE exploit suggest the file is designed to download and execute a second-stage payload. The 'unescape()' call and obfuscated name object further support this malicious intent.

Heuristics 6

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. (matched in decompressed stream)
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `2d9b1c9991a8b80b8d244df30bd87afa73840d687dbbfce7060bcd988db960a8`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1A1	5955 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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