PDF malware analysis — malicious · f257cc379f01dacb

MALICIOUS

PDF

5.5 KB Created: qsdfsdf Authoring application: val

MD5: 9642a128a3c8cdcd940f181e9a8ecebc SHA-1: d4cd7dd3f62fe06f21a5c277b045f2645883ed3b SHA-256: f257cc379f01dacb83644e0cd4b28d4a611f65f7daf24715b3263d3de7b59473

218 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded XFA form that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is designed to download and execute a malicious payload, indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic and the ClamAV detection for 'Pdf.Exploit.CVE_2010_0188-10'. The embedded artifact 'embedded_file_obj0006.bin' is likely the second-stage payload.

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_obj0006.bin` `1cabb1d11fae29ba37ed4c738a4d0e2ba6fb8f0583c3cc8597e185bebe3018ca`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x429	33444 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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