PDF malware analysis — malicious · 2bac5c15b508575b

MALICIOUS

PDF

12.8 KB

MD5: 48b1e7f8ad5befade63749f1033ac213 SHA-1: b5bd79814dbbb86a1b9a9f63fb786f3bbdedf155 SHA-256: 2bac5c15b508575b40dd344034f08f3b18353bdbfffeff89449de5a08a334b76

208 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an XFA form with an embedded script, which is being exploited via CVE-2010-0188 in Adobe Reader. The embedded script payload, identified as embedded_pdf_script_00000364.bin, is likely responsible for downloading and executing a second-stage payload. The presence of XFA and the specific CVE points to a common exploit delivery technique.

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` `f0c0c1934e3265a8ef4f6f9ae7d222abf5973e4587f4ef8f1a57b88d283e08e5`	pdf-embedded-script	PDF raw stream script payload at offset 0x364	12306 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 31 long hex-escaped blob(s).

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