PDF malware analysis — malicious · 42a6e6a11ee7c365

MALICIOUS

PDF

74.1 KB

MD5: 78cf5499f0fc161838dec3628d8d3e43 SHA-1: 5ff45f45843695d7ba266f2f2c296a06bbfee986 SHA-256: 42a6e6a11ee7c365f02c1252efadf91ac5e8ed5f5ea7166a1b86c4888f74f5a4

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1566 Phishing T1566.001 Spearphishing Attachment T1190 Exploit Public-Facing Application

The PDF file contains an embedded script and triggers a critical heuristic for CVE-2010-0188, indicating it exploits a vulnerability in Adobe Reader's LibTIFF component. The embedded script is likely responsible for executing the exploit payload. The presence of an embedded URL, though not malicious in reputation, is noted.

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_0000034e.bin` `cd01d6ff6ad9b7130293820460d49f4826d85e76984c7d018b9422f7eb32bcf6`	pdf-embedded-script	PDF raw stream script payload at offset 0x34E	75132 bytes

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