PDF malware analysis — malicious · 57a5c281a40fb4ed

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: da18cac3467ac6024b6cfc048a470b90 SHA-1: 89fa849e5d637da842dec0755da95c4a56e7121c SHA-256: 57a5c281a40fb4ed78ba3fd080520c630d130d291ea157e32281386970618fec

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 vulnerability in Adobe Reader. This exploit allows for arbitrary code execution. The embedded file 'embedded_file_obj0041.bin' is likely the second-stage payload. No document body text was available for analysis, but the exploit itself indicates a malicious intent to compromise the user's system.

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` `002908fd014a6186f8fdd488a93ee3d1e23a25b663b71da3ddc01d01282b7ec4`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9827 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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