PDF malware analysis — malicious · e36db9d5808f08ea

MALICIOUS

PDF

4.8 KB

MD5: be068eb2f8854b9eb498d3ac06897f47 SHA-1: 0940a75280e98fdf77e5f4c941401f240a199283 SHA-256: e36db9d5808f08ea15ad4b6d482a99d00c839653a6cf5d7ba03b4a24ed940150

226 Risk Score

Malware Insights

This PDF file is malicious and exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and TIFF images. The ClamAV detection 'Pdf.Exploit.Pidief-3' further confirms its malicious nature. An embedded file, 'embedded_file_obj0001.bin', was also extracted, suggesting it's part of a multi-stage attack. The exploit likely serves as a dropper for additional malware.

Heuristics 8

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
ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85

ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
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` `3f35e9d77a26a7d0553fb6a54fec5c0d80c50b1c89162adbf6e845ae0596e528`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7A	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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