PDF malware analysis — malicious · 9bc7b6f0dcaed525

MALICIOUS

PDF

36.6 KB Created: 2010-02-25 04:46:38 +03:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 3655e926987deeda3dc5ed9ff11726d6 SHA-1: 21318a6be3a316f17d550cb104758246f2fc000b SHA-256: 9bc7b6f0dcaed5257ad44530f8ebf5591d2b801faadc69dfd9f99b189f02bf3a

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 including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ClamAV detection 'Pdf.Exploit.Agent-13949' strongly suggests this is a known exploit. The embedded JavaScript is likely responsible for triggering the exploit, leading to the execution of malicious code. The document body content is minimal and does not provide further context on the lure.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-13949 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-13949
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` `c45819511e10135a972c12815ed2193303eaa1080ac509e7224a0a77934e9247`	pdf-javascript-stream	PDF /JS object 10 at offset 0x7054	7406 bytes

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