PDF malware analysis — malicious · ced11033d6812c0b

MALICIOUS

PDF

96.2 KB

MD5: 0673d7d8b2c7e5cf63dd7f1890810533 SHA-1: 0608f4298dac886a8375198dbf7fe59f3cc607d5 SHA-256: ced11033d6812c0be7d7bfb70da6e9d16f47a81a1937eb1c5cfd54fc752b4fc4

230 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains XFA (XML Forms Architecture) data and triggers multiple critical heuristics related to CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component. The embedded JavaScript stager, recovered as 'xfa_numeric_stage_000.js', is designed to download and execute a secondary payload. ClamAV detections further confirm its malicious nature. The embedded URL is likely related to the XFA template but not directly indicative of the payload delivery.

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.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
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.
XFA numeric JavaScript stager high PDF_XFA_NUMERIC_JS_STAGER

PDF XFA script reconstructs a hidden JavaScript stage from numeric field data or a character table, then evals the result. The decoder is gated on XFA script, numeric staging, and recovered exploit-like JavaScript or shellcode markers.
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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`xfa_numeric_stage_000.js` `e9f7a0a6d6c05c2e889fbe1d2c146a927ec9a42ab1aa883e9708fb325f229307`	deobfuscated-js	XFA character-table decoded JavaScript (raw) at offset 0x2EB	3750 bytes
Detection ClamAV: Pdf.Exploit.Agent-36962 Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s). Carved artifact contains 3 long base64-like blob(s).

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