PDF malware analysis — malicious · 4d594ef91ce2abca

MALICIOUS

PDF

61.6 KB Created: 2011-07-11 12:17:02 Authoring application: lVwC

MD5: 8ed4dd5a900d1a12c723f04317dc7452 SHA-1: 49c35b897e693f80aa6f48c194460f2087d88f31 SHA-256: 4d594ef91ce2abcacd3266496c70a170674daa38b16db1416c8f1a9d79c58b6a

140 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded script that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The script is designed to download and execute a second-stage payload. The presence of an embedded script and the specific exploit indicate a malicious intent to compromise the user's system.

Heuristics 8

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.
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
Suspicious extracted artifact info 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.
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://ns.adobe.com
- http://�wt.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_001_off00000319.js` `72f4902c14333b18d8865e31537d6120599954842cadcfaba7e955d4f53f47f0`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x319	61287 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`embedded_pdf_script_00000627.bin` `a219f51afd9178ac17bacd950599fee5f70b917e4d9464a23dc903f7a665fbc3`	pdf-embedded-script	PDF raw stream script payload at offset 0x627	61670 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 407 long base64-like blob(s).

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