PDF malware analysis — malicious · 75faa5d67f10cdde

MALICIOUS

PDF

12.7 KB

MD5: 6437951c15a919237794ebc53f51fc7c SHA-1: cfc638525a717efc4c7b6915a8e3c140aa1935fb SHA-256: 75faa5d67f10cddec08341642e0658eb78100b9568e7bfd9e72324689e0a983a

208 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file contains an XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a second-stage payload. The embedded script, although obfuscated, is indicative of malicious intent. The presence of the XFA exploit and embedded script strongly suggests a malicious document designed for exploitation.

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` `cf41008bbf0fbb56854dc3905f140411dda54aa05c328df59828fad8800d1794`	pdf-embedded-script	PDF raw stream script payload at offset 0x364	12222 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 31 long hex-escaped blob(s).

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