PDF malware analysis — malicious · 49279f9c9a170ccb

MALICIOUS

PDF

11.7 KB

MD5: 3c47649c5de1ca2768660a4f0f9e3e57 SHA-1: 52dba2a32272b7ffb1b71052dd2f2dbd15e7589b SHA-256: 49279f9c9a170ccb07da162e71b31829769adf4cec1f7852ae43babd39fee48a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded script payload, as indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. ClamAV detection 'Pdf.Exploit.Dropped-78' strongly suggests this is a known exploit. The embedded file and XFA form suggest a delivery mechanism for a secondary payload. The document body is not human-readable, further supporting a malicious intent.

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` `9f8f96fd418bf24a2920a81501f0cd4d1572e1eef388242975a55f70c6ed3fc0`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11218 bytes

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