PDF malware analysis — malicious · d3122793dba69495

MALICIOUS

PDF

5.3 KB

MD5: 3605e3f8fb8dc1e63fc4b01c324c089c SHA-1: 4f1c1e369365a494e6678054d1f65b306c53479a SHA-256: d3122793dba6949516c0b4db47fde20c7d285037b7b706ddc72624de9fe3aef4

218 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link T1204.002 Malicious Applet

The sample is a PDF document that leverages the CVE-2010-0188 vulnerability, also known as the LibTIFF XFA image exploit. This exploit is designed to allow arbitrary code execution when the PDF is opened in a vulnerable version of Adobe Reader. The heuristic firings and ClamAV detection strongly indicate this exploit is present and active. No scripts were extracted, but the embedded file and exploit are sufficient indicators of malicious intent.

Heuristics 7

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.
ClamAV: Pdf.Exploit.CVE_2010_0188-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2010_0188-10
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_obj0008.bin` `c0073f10470a384b7d847a88e224523c8836fcdce0cd2172a8a9f45f32d09363`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x407	30834 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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