PDF malware analysis — malicious · da34c1ea05826132

MALICIOUS

PDF

19.6 KB

MD5: 5b96004c2b826c934edf4ff081562a41 SHA-1: 0888afae6670bfa0b7b0935db75c1796dda3dc04 SHA-256: da34c1ea0582613262b0631e2cfa1f383c5d5b8def48b38032900ca945c7e8e0

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 as Pdf.Exploit.Dropped-78 further confirms its malicious nature. The embedded file and XFA form suggest an exploit delivery mechanism. The confidence is high due to the critical ClamAV detection and embedded script.

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` `2f54349f5e518bb7839f257630b173c84cf02fa29cc3db60c57546cce3326f20`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	19285 bytes

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