PDF malware analysis — malicious · 9232d7d20c74eb99

MALICIOUS

PDF

1.9 KB

MD5: 91180861f7abfc935e4647efb0dcfb60 SHA-1: 7fa008edb799958b1238ca190484271d8ecb2faa SHA-256: 9232d7d20c74eb99ebf5916b8ebdf03c6ea85c4e5e68462b996e5acfbb909bc2

238 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains embedded JavaScript that utilizes the 'Collab.getIcon' method, which is a known indicator for the CVE-2009-0927 vulnerability. This exploit is designed to achieve arbitrary code execution within the context of Adobe Reader. The ClamAV detection 'Pdf.Exploit.Agent-35646' further corroborates the malicious nature of this file.

Heuristics 7

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: Pdf.Exploit.Agent-35646 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35646
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_obj0007_000.js` `57d40066d614a84fccc5504183d8dc141ef4de7a50c694bc19e06818bc172ad7`	pdf-javascript-stream	PDF /JS object 7 at offset 0x2B1	2319 bytes
Detection ClamAV: Pdf.Exploit.Agent-35646 Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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