PDF malware analysis — malicious · 3a7aa0ce65dd8143

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: f538412c5a79e618e0fc90c8b44e2a4b SHA-1: cc0feb73904fbdbffe5fa4c441e07e09f4ac9252 SHA-256: 3a7aa0ce65dd8143c1f53364d08e729b2e48bc1d0759be8d0bd39804d7a57f6d

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit. This vulnerability in Adobe Reader allows for arbitrary code execution when a user opens the malicious PDF. The exploit payload was found within a decompressed stream, indicating a deliberate attempt to deliver a malicious artifact.

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` `a129f5234547758e7d5883e57f63645e269a0338b42e877daaf0f5cc1edd24a1`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9806 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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