PDF malware analysis — malicious · e88bf8189e56983e

MALICIOUS

PDF

19.3 KB

MD5: 886056d9ac4d6003b6018d82c369ea54 SHA-1: cb598665d9f8a846374bb401e4786dacc4cead2a SHA-256: e88bf8189e56983e9bf68ba7e981f35958476b20d5295328234ec2fd68818ff4

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded script payloads, as indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. ClamAV detection 'Pdf.Exploit.Dropped-78' further confirms its malicious nature. The embedded file 'embedded_file_obj0008.bin' is likely the delivered payload. The XFA form suggests a potential for exploiting form-related vulnerabilities.

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` `054d07abac346a0d7a1a5935ef981fbd7f86c69de1d0e0742626f855b492bd6b`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	19012 bytes

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