PDF malware analysis — malicious · 32cd99a159def0a9

MALICIOUS

PDF

3.8 KB Authoring application: hXr (via va)

MD5: eece52c8d4dd66e2d07139e1fd9e5598 SHA-1: ef85abc96184b3732ffe8de5f32778639fc48c41 SHA-256: 32cd99a159def0a9cc8383c0d9ea8463bb497dee7f86677057d6ceb85de352e5

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF document that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This vulnerability allows for the execution of arbitrary code when a user opens a specially crafted PDF file. The PDF contains an embedded XFA form which is leveraged by the exploit. The embedded file 'embedded_file_obj0041.bin' is likely the second-stage payload.

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` `a1d835a7e1b1608c708ffcd2dc10266de7a554f37aafbee59ba9354c45eb105a`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9919 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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