PDF malware analysis — malicious · 2cde2d501759e5bb

MALICIOUS

PDF

5.4 KB Created: sdtres

MD5: b27db3c933d53aab39e964d0100ae2e0 SHA-1: 40e9c4803a24967584d9f3aa9ef0abdda9cc2170 SHA-256: 2cde2d501759e5bbf3bde1db90170421d988b071dd0a2bd64f0edc22f0221b3e

210 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded XFA form and exploits CVE-2010-0188 in Adobe Reader. A decompressed JavaScript payload was extracted from a stream within the PDF. This script is likely responsible for downloading and executing a second-stage payload, as indicated by the critical ClamAV detections for Pdf.Exploit.CVE_2010_0188-10.

Heuristics 6

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.
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
`stream_001_off00000423.js` `7baec0c3825f23ef01a0e226d78d9a7142b4cf9268899126233b5072926a884f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x423	32704 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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