PDF malware analysis — malicious · 1ef9cd3cee468f1b

MALICIOUS

PDF

12.8 KB

MD5: fa1695e4491e85214cbcaea856be3d5d SHA-1: c0d2ed4fd6bfeccbc0811ae7db7f62270c55e6d5 SHA-256: 1ef9cd3cee468f1bda65c90ded8d1b589f0bc84750c7dc857d5286a6ec536edc

208 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter T1059.001 PowerShell

The PDF file contains an XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. An embedded script within the XFA form is identified as the payload delivery mechanism. The script is obfuscated but appears to be designed to download and execute a second-stage payload. The presence of the XFA exploit and embedded script strongly indicates a malicious intent to compromise the user's system.

Heuristics 7

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.
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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_00000364.bin` `a4aaaedd6d4c69234771bd70a595891d4962e5a3d8bf99edd76dfc16d0935610`	pdf-embedded-script	PDF raw stream script payload at offset 0x364	12336 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 33 long hex-escaped blob(s).

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