PDF malware analysis — malicious · 8d3f25c8106f4d1d

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 997c53d337c7e0a0142a0bf1e63ca728 SHA-1: 9d06a5ca59e5ca2c84aa85bf3016892541a23d64 SHA-256: 8d3f25c8106f4d1dac1b9469ccbe9b7230a6836b55d7e90b0742dcf247b4f3dd

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA images. This exploit allows for arbitrary code execution. The PDF contains an embedded script payload and an embedded file, indicating a multi-stage attack. The document body appears to be corrupted or non-standard, providing no direct user-facing lure.

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` `cc9f86bd00260bcd786131ed27a6a23a06e149955668ef0a94564e81e92268fc`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9836 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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