PDF / .TMP malware analysis — malicious · 5f9645dceb1d75be

MALICIOUS

PDF / .TMP

1.95 MB Created: 2010-02-01 16:57:58 +03:00 Authoring application: manyTypeAre (via 9a3f263a5e5f63006098a05cd7491997)

MD5: 1c08313407a5b848d5723df417003217 SHA-1: cd1757394d9030ee3f518c8b0f36c47da052e550 SHA-256: 5f9645dceb1d75bea75c84db128b3026ae0e1d719e8d89b9eb130e9fe74ceaa9

164 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 7

PDF JavaScript exploit cluster critical PDF_JS_EXPLOIT_CLUSTER

PDF combines an executable JavaScript/action surface with exploit staging indicators such as eval/unescape/fromCharCode, XFA script content, or a related CVE pattern. Benign form JavaScript remains low-severity, but this correlated cluster is high-confidence malicious behavior.
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (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.
ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85

ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
Optional Content Group with action trigger low PDF_OPTIONAL_CONTENT

Optional Content Group (layer) co-occurs with an action trigger — content can be selectively hidden from viewers or scanners while the action still fires on open
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_obj0016_000.js` `f47aa16576f6454c8b4c6611454d34d9f1210387f6a332c9e1c18e7afa874cad`	pdf-javascript-stream	PDF /JS object 16 at offset 0x208A	36049 bytes
`javascript_obj0018_001.js` `6bbf92d58f67d240575c885e983784585cd2199d4f60509e013b500d29600b13`	pdf-javascript-stream	PDF /JS object 18 at offset 0x7CBC	1430 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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