PDF / .VXE malware analysis — malicious · d96fe35e8dde4d60

MALICIOUS

PDF / .VXE

39.6 KB

MD5: bac251e77a1ede48749b2f5e665a97c8 SHA-1: 806487fc44a18cb1af53313e1dc2043a5e560f5a SHA-256: d96fe35e8dde4d6085c5f88dad1ce3641d43b759bd52b0596e6bd260f2e53edc

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link/Object T1059.001 PowerShell

The PDF file contains embedded JavaScript and U3D content, triggering critical heuristics related to CVE-2007-5659 and obfuscated objects. The presence of multiple deobfuscated JavaScript files suggests a multi-stage attack. The primary intent appears to be the execution of malicious code via a known Adobe Reader vulnerability, likely leading to the download and execution of further payloads.

Heuristics 6

Collab.collectEmailInfo — CVE-2007-5659 critical CVE exact CVE_2007_5659

PDF JavaScript calls Collab.collectEmailInfo — CVE-2007-5659 is a buffer overflow in Adobe Reader triggered by a long argument or heap-sprayed message field passed to Collab.collectEmailInfo(). Part of a series of Acrobat JS API exploits. (identified after JavaScript deobfuscation)
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: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `6f60a1053baafdc578f85eae84a2dc6d16775fbd66240d82cbfb7b4f4ff4e90a`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A4	295 bytes
`legacy_pdfkit_stage_000.js` `1400ea4e71d03be49f12568f013ae8489e7feef478634ee56045ad93dd6d51d5`	deobfuscated-js	z-percent hex-pair decoded JavaScript at offset 0x2F0	5351 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_001.js` `12f459fb204792118e333c42dadc2b5ce57e7206f3495890b8f9a16393889ab3`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F0	12648 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`u3d_00_off000031eb.bin` `db166b7bf539ceb527a321927dc7262838bbe91b146a4aa26884d46ee5696f20`	pdf-3d-stream	PDF U3D 3D stream at offset 0x31EB	27443 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.

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