PDF malware analysis — malicious · a22b36c5ee086c03

MALICIOUS

PDF

35.5 KB Created: 2009-05-01 21:21:45 Authoring application: tvEeSFCPx (via NeTSnrx)

MD5: d32f889bd3eb61c87653e4bdc5a56662 SHA-1: c1455c864db0fd4583125afe73b2154c9012d1c9 SHA-256: a22b36c5ee086c03c103bf130f9d4f53970885547735a4d1ccf6d52c886fcd68

98 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.007 JavaScript

The PDF document contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT, PDF_JS, PDF_EVAL, and PDF_UNESCAPE. The JavaScript stream itself is heavily obfuscated, making it difficult to determine the exact payload. However, the presence of eval() and unescape() calls strongly suggests the execution of arbitrary, obfuscated code. The authoring application 'tvEeSFCPx' and creation date are also noted. Due to the obfuscation, the specific family and full attack chain cannot be confidently determined.

Heuristics 5

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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `3385093eb76d61414c79735d8f2f3db94489f3cf9bc0966dfdbd0020367b68bd`	pdf-javascript-stream	PDF /JS object 7 at offset 0x215	35126 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).
`javascript_obj0007_001.js` `4911d0535e193bd3cc4d4c525a668c38b060257ec21739cef3378baf54769607`	pdf-javascript-stream	PDF /JS object 7 at offset 0x215	35039 bytes

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