PDF malware analysis — malicious · 4d74cf416d0aaf84

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 49c42e2cfcd7287036cd8f9c19f31b6e SHA-1: a21fca8007ae0c2c34840f4959ea84441adea123 SHA-256: 4d74cf416d0aaf842ec5782f0ab32e877c44ae7959f374638b5228d0f128f811

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF file that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This vulnerability allows for arbitrary code execution when a user opens a specially crafted PDF. The PDF contains an XFA form and an embedded script payload, which are indicators of exploit activity. 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` `49ef638aa47447f5472389412a0bf87555b6a5d8815a05bec092722e25796bb1`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9795 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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