PDF malware analysis — malicious · e40a6b68e7fcb204

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 58e877988ec0f6323649c41e4432b442 SHA-1: 30267fed22af7e0bcdcf2b7eeae16db30362733c SHA-256: e40a6b68e7fcb204fe64b62f2c7e6265797a46d6bc8f833d9dd9ca3861ac0ffc

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, targeting a vulnerability in Adobe Reader's LibTIFF processing. This exploit is designed to execute a malicious payload, likely delivered via the embedded file artifact. The document body is unreadable, but the critical heuristic confirms the exploit's presence and intent.

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` `019484201cbac407ff00cf2e919a9337a52f39efa4828870015cf217ea0bc917`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9830 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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