PDF malware analysis — malicious · 1010209dea5bce8a

MALICIOUS

PDF

12.1 KB

MD5: b844babb30b2eb27c4cab536eddd4076 SHA-1: 72fe23ae5eb50d911e2f4d72058c0e486e2bcd27 SHA-256: 1010209dea5bce8ad02f4174aac3a1343d54c35f22fe5c90a5f3444f4dbc3221

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF was flagged by ClamAV as Pdf.Exploit.Dropped-78 and a machine learning classifier gave a high probability of maliciousness. The presence of embedded script payloads and embedded files indicates the document is designed to exploit vulnerabilities and execute a secondary payload.

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 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 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://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` `764cc062cf659612567ee8da313ba98ccd3bd7a0320f0bdae482660157808318`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11583 bytes

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