PDF / ._SH malware analysis — malicious · c44a4a657a70776d

MALICIOUS

PDF / ._SH

7.1 KB

MD5: 859370db6cb007ed32900722c0ecf4cf SHA-1: 4b0ad6caa75c0a9fbb07f73ad665b4251696662c SHA-256: c44a4a657a70776d6efcb83924ff610d3af73a286bccaef2e78fac722947c921

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical vulnerability (CVE-2009-0927) related to Collab.getIcon. The presence of JavaScript and the exploit indicate an attempt to execute arbitrary code. The file is obfuscated, as suggested by the 'PDF_UNESCAPE' and 'CLAMAV_DETECTION: Heuristics.PDF.ObfuscatedNameObject' heuristics, further supporting a malicious intent to bypass defenses.

Heuristics 6

Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927

PDF JavaScript calls Collab.getIcon — CVE-2009-0927 is a stack buffer overflow in Adobe Reader triggered by Collab.getIcon() with a crafted argument. Allows arbitrary code execution. (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` `739d687123c39d3a40fc932f81b2d6a5b8760b39ac8baf968bc5e3e15a72bf49`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1AB	6076 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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