PDF malware analysis — malicious · 1e09728d51f0bc44

MALICIOUS

PDF

13.0 KB

MD5: 45a379b7e51094bf381e5d1a216bc81a SHA-1: 3abdd22a0ac96604c301a7e8955f27e84a891415 SHA-256: 1e09728d51f0bc44ab9a428c100a41d63a9533016a6afd7644b677e4dd36fc3e

112 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The critical ClamAV detection of 'Pdf.Exploit.Agent-6136306-0' strongly suggests exploitation. The embedded script payload, totaling 12387 bytes, is likely responsible for executing the exploit and downloading a second-stage payload. The presence of an embedded URL further supports this delivery mechanism.

Heuristics 7

ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000374.bin` `99c3ea8ea41f1685b3ddcb8d4fe5cc45a7c89a514328941ac6c4b6e1d0f7aed6`	pdf-embedded-script	PDF raw stream script payload at offset 0x374	12387 bytes

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