PDF malware analysis — malicious · 60eb394c2ee70e59

MALICIOUS

PDF

18.3 KB

MD5: 97faecba4e8e9996f1f7a9a664a9606d SHA-1: 338ad36d29a2d4e58abc91cffdb180604bcbf67c SHA-256: 60eb394c2ee70e59f7bec64578b64c7354ed9e48606ef63db6ab42e07ab4ab89

168 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF was flagged as malicious by multiple heuristics, including ML classification and ClamAV, indicating it contains an exploit. The presence of an XFA form and embedded JavaScript suggests the document is designed to execute malicious code. The embedded script, though truncated, likely attempts to download and execute a second-stage payload, aligning with common exploit delivery techniques.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded script payload in PDF stream low 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.
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_00000329.bin` `a6a18f7f415838971983b1281e222e0feb88b633ca3d4a5ac5065072f97f2d72`	pdf-embedded-script	PDF raw stream script payload at offset 0x329	18019 bytes
Detection ClamAV: Pdf.Exploit.Agent-36809 Obfuscation or payload: unlikely

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