PDF malware analysis — malicious · 989b87df3a44d388

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 48095d484ab4aeed7e1a926020973a7d SHA-1: 0568534bce302796b401bdfc3ec9c49cf41c7583 SHA-256: 989b87df3a44d388338546bf9d4c1697620eaf569f199d359aa426ac94e1c29e

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is designed to achieve arbitrary code execution. An embedded script payload was also detected, suggesting the exploit is used to download and execute a secondary stage. The specific family could not be determined due to the generic nature of the exploit.

Heuristics 5

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.
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
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `bfd0d0702a903cb2f6b6668495ed9dd07cc85d6f5d83053f98a8b11f36a2916a`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9801 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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