PDF malware analysis — malicious · 8ebc632412cdd0a5

MALICIOUS

PDF

6.2 KB

MD5: 51ee4c9ece3bd13ef65ad8292c06e561 SHA-1: 9770ec47983358523a5a98705431749c3dec1ed5 SHA-256: 8ebc632412cdd0a58cdcbec1b0e53b3c6e20180b55809290bba92485b40917a2

158 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1204.002 Malicious Link

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. A critical finding is the PDF_U3D_CVE_RELATED heuristic, suggesting exploitation of Adobe Reader's 3D parsing. The ClamAV detection of 'Pdf.Exploit.Agent-23169' further confirms malicious intent. The embedded JavaScript is likely responsible for executing the exploit, potentially leading to further malicious activity.

Heuristics 6

U3D/3D content in PDF — Adobe Reader 3D parser CVE-family indicator high CVE related PDF_U3D_CVE_RELATED

PDF contains U3D (Universal 3D) or 3D annotation content — CVE-2011-2462 and CVE-2009-3953 are critical vulnerabilities in Adobe Reader's U3D processing that allow arbitrary code execution. U3D content in PDFs is extremely rare in normal documents.
ClamAV: Pdf.Exploit.Agent-23169 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-23169
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0001_000.js` `7cd40ece7d0b345e4e96b0365d33a69231783b61461e078d745bdd27436f62be`	pdf-javascript-stream	PDF /JS object 1 at offset 0xF	4204 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s).
`javascript_obj0002_001.js` `53ef3e86395c29047481d41061937b32759780f8b45be9739a0a576f50df45b1`	pdf-javascript-stream	PDF /JS object 2 at offset 0x1230	58 bytes

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