PDF malware analysis — malicious · c2aeaaa7629c791b

MALICIOUS

PDF

44.8 KB

MD5: 579980e657a8dbf28fe38e4a3447ce56 SHA-1: 0907b1fe72c61b6235c321824fbe1841ca194d24 SHA-256: c2aeaaa7629c791b363c376ea891c8b2c9baffb7786d2b56d6019499b9c4b3be

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link T1204.002 Malicious File

The PDF contains embedded JavaScript and U3D content, with critical heuristics indicating exploitation of CVE-2007-5659 via the Collab.collectEmailInfo JavaScript sink. This suggests the document is designed to exploit a known vulnerability in older Adobe Reader versions to execute arbitrary code. The presence of multiple JavaScript streams and a large deobfuscated JS file further supports this, indicating a multi-stage attack. No specific family could be identified.

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.
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.
syncAnnotScan annotation-staging primitive low PDF_FOXIT_SYNCANNOTSCAN

PDF JavaScript calls syncAnnotScan() — a no-op annotation-enumeration primitive used by exploit-kit JavaScript to stage payload reads from annotation /Subject fields before eval(). Not a vulnerable sink itself; rarely seen in legitimate PDFs. (matched in decompressed stream)
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_obj0009_000.js` `571d6d781ee734c470db0b973d3bf8bb037ccab9ee14b53d1a6190433ad265f3`	pdf-javascript-stream	PDF /JS object 9 at offset 0x449B	554 bytes
`legacy_pdfkit_stage_000.js` `cb97ff5cbbc2d95bd3304c986cfb1da8814947d1dd252d0ae09e15a5fe120a5e`	deobfuscated-js	z-percent UTF-16BE base-21 decoded JavaScript at offset 0x1B4F	5405 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).
`deobfuscated.js` `5164ed467461a9609315f74113c72cc4fe0cfee45e3e29a0eca9efde54212692`	deobfuscated-js	PDF JavaScript deobfuscation pass	249630 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).
`u3d_00_off000046fe.bin` `a96e1fca2499edf504d3934052ca1fc338d4b4898a65e6a361937ed1ba0dc0fe`	pdf-3d-stream	PDF U3D 3D stream at offset 0x46FE	28021 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.79, consistent with packed or encrypted content.

Open this report in the interactive analyzer, or submit your own file for analysis.