PDF malware analysis — malicious · dbf9c0d1de4aca63

MALICIOUS

PDF

37.3 KB Created: 2010-04-15 07:35:21 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: af33298208861485d23632aa73d318d3 SHA-1: 56ac8121c3e20f2de176faa6a5b43262cd7a8f9b SHA-256: dbf9c0d1de4aca6369749e52bdcddb914f1aae589ecbefad595d01ca353d4601

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. The ClamAV detection 'Pdf.Exploit.Agent-22223' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for executing a malicious payload, although its specific actions could not be determined due to obfuscation or truncation. The file's creation metadata and authoring application (TCPDF) do not provide specific threat intelligence.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22223 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22223
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` `6f476d4bacb9a0c1b7259211c4cb04834599f5ad826c651d5cfa84a920c20f3a`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8B09	1344 bytes

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