PDF malware analysis — malicious · f8ec3697c830314f

MALICIOUS

PDF

12.7 KB

MD5: e1c18c98eccc86bcdb363119a516956d SHA-1: eacc66f61b4018afde759150a7ffc7d0db7916c3 SHA-256: f8ec3697c830314f4d72cf3f1f849b72134aec07fd4e62203a65c07edad71294

190 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The sample is a PDF file that leverages XFA forms and is detected as exploiting CVE-2010-0188, a known vulnerability in Adobe Reader's handling of LibTIFF. An embedded script payload was also identified within the PDF stream, indicating the file's intent to execute malicious code. The embedded URL is likely related to the XFA template, but its direct maliciousness is unknown.

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_00000384.bin` `4efefb149aed40d5f1abae127c34e90bc9dd3afc540e0e0aaaa99ca4a6ca55e9`	pdf-embedded-script	PDF raw stream script payload at offset 0x384	12276 bytes

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