PDF malware analysis — malicious · 82e37bf51b7642ee

MALICIOUS

PDF

102.2 KB

MD5: 4cccc7f43a36946acc9005f73ad6812e SHA-1: ee000c801823e1fbb0d05419d18c88849e75ded1 SHA-256: 82e37bf51b7642ee4fb9e2cc2b34156a1e770dc38b031897a330acbeabeead88

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious Attachment T1566.001 Phishing: Spearphishing Attachment T1204.001 Malicious File: User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The file is a PDF document that leverages the CVE-2010-0188 exploit targeting XFA forms. This exploit allows for the execution of arbitrary code, likely to download and run a second-stage payload. The embedded script and the specific exploit identified strongly indicate malicious intent.

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` `5d151e3646e2a887f74a9958ab4641e295740dd915cd121ac49dbcc5cee2d4f3`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103954 bytes

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