PDF malware analysis — malicious · 26ac0f656d018e17

MALICIOUS

PDF

11.8 KB

MD5: 4998cbb673593ab7c0755dcd6cbc5557 SHA-1: 3d5e26baf2e20f6fd5066fcf1bbd2a2fc6d1a2bd SHA-256: 26ac0f656d018e17c7ac6d4b594b2c1c6295ddf8fbef1d19f5f88d1acf03f845

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' strongly indicates a malicious PDF exploit. The presence of an embedded script payload and an embedded file further supports this, suggesting the PDF is designed to drop and execute a secondary malicious component. The embedded URLs are benign or unknown and do not contribute to the maliciousness.

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` `410b687f0855e5cfc971fbad3d5be0637ee3514090768a3613755b8aa746802d`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11362 bytes

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