PDF malware analysis — malicious · b34f7911f48ae0bf

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 6ac28791f499feb8e3f2b77690ce3391 SHA-1: 66ce460a4bd41a3b81c4e0286badd5b904fc8282 SHA-256: b34f7911f48ae0bfae0f72e100eb59d1f0dfc594c553ec61899fd8121dce8ddc

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded script payload and triggers a critical heuristic for CVE-2010-0188, indicating it exploits a known vulnerability in Adobe Reader. The embedded file, 'embedded_file_obj0041.bin', is likely the second-stage payload. The XFA form and embedded file heuristics further support the exploitation vector.

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` `622fdd7e8270ce3b94858aec80c0415dd92a30c8b939a8fab6c2e7bc709a34c5`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9804 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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