PDF malware analysis — malicious · a47c2a9b518eed81

MALICIOUS

PDF

3.7 KB

MD5: 0fb2b6e1b06c2078cfb44510c6ceb929 SHA-1: 31ba8338ac947b02e61ecffcf1d6458f5a72a27b SHA-256: a47c2a9b518eed812fa3f37bcde2261042e773f5beba61f28beaf6f5e2efc58c

218 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains embedded JavaScript that utilizes the `eval()` and `unescape()` functions, indicating obfuscated code execution. The critical heuristic firing for CVE-2009_0927, specifically `Collab.getIcon`, confirms the exploitation of this known vulnerability. This exploit likely leads to the execution of malicious JavaScript, potentially downloading and executing a second-stage payload.

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.
ClamAV: Pdf.Exploit.CVE_2009_0927-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2009_0927-1
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
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_obj0008_000.js` `e520f47845e8fbdee18b46526701600d0625b5a52c94dd135dc709ae132903d6`	pdf-javascript-stream	PDF /JS object 8 at offset 0x217	533 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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