PDF malware analysis — malicious · 2d80f00bb74c7149

MALICIOUS

PDF

18.5 KB

MD5: b84ffe0bc2d7e06b569a42f4ccf940c1 SHA-1: b40381295cf6a1dc352a260d2997aeb9b41ed8d8 SHA-256: 2d80f00bb74c71494475c29488cfaafa58aca47e6ee6652b9f01572c99790b7e

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The file is identified as a malicious PDF by ClamAV (Pdf.Exploit.Dropped-78) and a machine learning classifier. Heuristics indicate the presence of an embedded script payload and an embedded file, suggesting it's designed to exploit vulnerabilities and deliver a secondary payload. The ML classifier output of 0.999996 further supports its malicious nature.

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` `be59982ea677b14f2812effc0a66af5632a01c3e113e8ebb2ca3db4e47f37c2b`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18154 bytes

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