PDF malware analysis — malicious · 955b4959b0769c3c

MALICIOUS

PDF

4.0 KB

MD5: df2b6f000096552ad06401e595eea076 SHA-1: 490a022a95ad0acc3a687418993128cfbc33e536 SHA-256: 955b4959b0769c3cc44ce1053b5477dda15d2b60f533c22877fb10563e5492c9

218 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.004 Command and Scripting Interpreter: PowerShell

The PDF file contains an embedded artifact and triggers critical heuristics for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the document is designed to exploit a vulnerability upon opening, likely leading to the execution of a malicious payload. The embedded file and XFA form further support the exploit delivery mechanism.

Heuristics 7

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
ClamAV: Pdf.Exploit.Pidief-3 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Pidief-3
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.
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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_obj0001.bin` `b5850075c914a81d721bff9daa6e8cc9f78af6b2f76f5081dafe8e3781fabcc8`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x6C	13441 bytes
Detection ClamAV: Pdf.Exploit.Pidief-3 Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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