PDF malware analysis — malicious · bb648335c18fc96e

MALICIOUS

PDF

102.1 KB

MD5: 4aabad8de901e9e030e76d4ebc516af0 SHA-1: f49498c307357253b734615561be202a4cf04379 SHA-256: bb648335c18fc96e0880820074ae1de43423140c1f6ba15d714bf41e467eb7f9

188 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an XFA form which is known to be vulnerable to CVE-2010-0188, an exploit targeting Adobe Reader. The embedded script payload within the XFA form is likely responsible for executing arbitrary code. The presence of the embedded script and the specific exploit heuristic strongly indicate this attack pattern.

Heuristics 6

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
XFA form contains executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
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.
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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000346.bin` `5fb78dc2c9cd03523de600065469f71799b02f3f89977b9e846d0527494330b2`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103795 bytes

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