PDF malware analysis — malicious · 27f2dfcae768dc7a

MALICIOUS

PDF

37.8 KB Created: 2010-04-11 08:39:10 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: c082e8b5c266dc62edeb50bd0ca0f98a SHA-1: 1c3bae274f686c06c12595c5963cf8efbdf25c90 SHA-256: 27f2dfcae768dc7af44a5c1dfd08ac1f5918c1f8506c0c9ac086786eac90e7c8

84 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a PDF document identified by ClamAV as Pdf.Exploit.Agent-22618. Static analysis revealed embedded JavaScript and an optional content group with an action trigger, indicating an attempt to exploit a PDF vulnerability. The embedded JavaScript is likely responsible for executing a malicious payload.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22618 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22618
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` `e8b0711cfdcd4e48e9adf06147c27a90e0f20386b3336eb282c206d918dd63f6`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8CC9	1344 bytes

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