PDF malware analysis — malicious · a7866edab7e257ac

MALICIOUS

PDF

8.9 KB Created: 2009-04-01 11:59:09 Authoring application: fTBTvgLTiRbKYzw (via OunamevgmhFex)

MD5: c91ff3f6777320533a10c0fd89646df8 SHA-1: 681bcc328126704280ae336510c2857c612f014d SHA-256: a7866edab7e257acf47e417f49d1f5c39956c51ea417acefbda2188b4fe6f333

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF was flagged by ClamAV as Pdf.Exploit.Agent-35572 and a machine learning classifier indicated a high probability of maliciousness. Embedded JavaScript, obfuscated and detected as a suspicious artifact, is present and likely responsible for executing the exploit. The document body contains generic text and does not provide specific lures.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-35572 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35572
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_obj0007_000.js` `07dcde3357f49c84b0c74f1582c526aa1957b282c5e3bc1d08c83e6b315304ce`	pdf-javascript-stream	PDF /JS object 7 at offset 0x29E	7641 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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