PDF malware analysis — malicious · 257b2bb69a05f92e

MALICIOUS

PDF

5.0 KB

MD5: 6060ef058f7a9f732f5a45b88e3cc039 SHA-1: 091929042fa7436698df9b01a42a0555764b5333 SHA-256: 257b2bb69a05f92e1a27b7357914a1de133a1522a59665c1171ce3dd440d719d

158 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers heuristics related to PDF exploits, specifically mentioning a U3D/3D content vulnerability in Adobe Reader. The ClamAV detection 'Pdf.Exploit.Agent-13910' further confirms its malicious nature. The embedded JavaScript, although not fully detailed here, is the likely mechanism for exploitation.

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-13910 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-13910
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_obj0001_000.js` `d22728cfcfaf838f1f4121a6ec228706c392155e60ab37a08d60cbf98c58a746`	pdf-javascript-stream	PDF /JS object 1 at offset 0xF	3153 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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