PDF malware analysis — malicious · a144e578ad5ea86a

MALICIOUS

PDF

11.9 KB

MD5: e051ce7c466f90f5c839caf457236322 SHA-1: b062e771fabbf9171237e4cb36c795a0baa34062 SHA-256: a144e578ad5ea86ad22c8a9d8b74c4ca9807a1c60f35bdc5535130b5195cfa9d

128 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF was flagged by multiple heuristics, including ML classification and ClamAV detection as 'Pdf.Exploit.Dropped-78'. The presence of an embedded script payload and an embedded file indicates the document is likely a dropper or exploit document. The ML classifier output of 0.999995 strongly suggests malicious intent.

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
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xfa-template/2.5/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `0ecdfcdfd5fc3fd0912d51c54cae21028b9ca79a34e20a3c8ac9e46c9bbef103`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11445 bytes

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