PDF malware analysis — malicious · c585d8911a846bbd

MALICIOUS

PDF

12.8 KB

MD5: f98dea1093bf107c1e7e66f840683a1a SHA-1: ee1aa0a2b4bfb2eccf124506afc2d518301797dc SHA-256: c585d8911a846bbda9d00a9738a31a6dd310bb040771cd657e96d42ef8e1b112

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File T1566 Phishing T1566.001 Phishing: Spearphishing Attachment T1566.002 Phishing: Spearphishing via Service

The PDF file contains an XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a malicious payload. The embedded script and the specific exploit identified strongly indicate a malicious intent, likely for delivering further malware. The embedded URL is likely part of the exploit chain.

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_0000034c.bin` `6d2fda8becec958a5ab8c8a599501e6dfc124b937e8bb12235fa1da271e34eec`	pdf-embedded-script	PDF raw stream script payload at offset 0x34C	12363 bytes

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