PDF malware analysis — malicious · e9bd0429271de564

MALICIOUS

PDF

8.5 KB

MD5: 18305d12694cd2d9b967f45746b03c5a SHA-1: 3b49e5bd3b926de67237087013ce62efac0f4987 SHA-256: e9bd0429271de564cad08cde9ad3db097bb5b479173090eb6ebd64702404ff68

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-0927, indicating exploitation of a known PDF reader vulnerability. The presence of JavaScript and the specific CVE exploit suggest the document's primary purpose is to execute arbitrary code, likely to download and run a second-stage malicious payload. The ClamAV detection further supports the malicious nature of the file.

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` `1ab7b3672c01c213b292e77ea5773655a6b68d77bcc257a4e95828bc174a4415`	pdf-javascript-stream	PDF /JS object 6 at offset 0x18D	4821 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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