PDF malware analysis — malicious · bf73bf23e5a0b227

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: fa5e9ff5a77c95df01ded4f595f8ada2 SHA-1: ac1374f7d50e7269066c082481de54c2c3772455 SHA-256: bf73bf23e5a0b227236f3cfaf8e8beb936989ec2561c578ccaa5e58e4d4da181

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF document contains an embedded file and triggers the CVE-2010-0188 exploit, which is known to target Adobe Reader's handling of XFA forms. This indicates the PDF is designed to exploit a vulnerability to achieve arbitrary code execution. The embedded file, 'embedded_file_obj0041.bin', is likely the payload delivered by the exploit.

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` `b06eb42e7ddcb4d6f11e50e910e6d14f5da5d6198fa6ea6ce5d3dcbe05b2210b`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9832 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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