PDF malware analysis — malicious · e3c12580c602b2bf

MALICIOUS

PDF

37.8 KB Created: 2010-04-19 21:56:58 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 17c2ea870753a198a40248bb205f9b5e SHA-1: dba910fa21d9e31cfa65dd0b44bbe2c489cd4065 SHA-256: e3c12580c602b2bfa0072c2d6247b3566360db02c3d33eb903a838b1e439a6e6

84 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection of 'Pdf.Exploit.Agent-23563' strongly suggests this is a known PDF exploit. The embedded JavaScript is likely responsible for triggering the exploit, leading to the execution of malicious code. The document body text is garbled and does not provide further context on the lure.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-23563 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-23563
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` `67bf9716993e95783a6d15b7eaf3f4ef29d164fc682e59f921125ece643d577a`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8CF4	1346 bytes

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