PDF / .TXT malware analysis — malicious · a2612231de70662c

MALICIOUS

PDF / .TXT

37.8 KB Created: 2010-04-15 17:18:43 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 16d3addea0ab2ab81c6efc5c3de409af SHA-1: 47a1b8da0c0636ddd2ab2b51d9ff3c6e22d54901 SHA-256: a2612231de70662c899cdc285f3462606d7f5142d94d100042f16efeda36746c

84 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings related to PDF JavaScript actions and streams. ClamAV detection as 'Pdf.Exploit.Agent-22719' strongly suggests exploitation of a vulnerability within the PDF structure. The embedded JavaScript is likely responsible for executing a malicious payload, although its specific actions are not detailed in the provided evidence. The document body text is largely uninformative, consisting of generic phrases and metadata.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22719 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22719
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.
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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0010_000.js` `e1add97496b21906c2864d8fe9d64c9f73b24c6a10603572f128a602bb62ebb0`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8CE0	1344 bytes

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