PDF malware analysis — malicious · f7db8b0869c1b9e9

MALICIOUS

PDF

4.0 KB

MD5: 09b19a7df76bfb867a5fea601c615bd8 SHA-1: 26ee6c2d23647c778d3c6717e43f07d1632f997c SHA-256: f7db8b0869c1b9e99b8e634717369d38222b2858f4d6f16ff5077272954db9c9

218 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1566.001 Phishing: Spearphishing Attachment

The PDF file contains an embedded XFA form with a TiffImage that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is designed to execute arbitrary code, indicating the file's malicious intent. ClamAV also detected the file as Pdf.Exploit.Pidief-3, further confirming its malicious nature.

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` `4e5e1303422c1fa396bf3a2085863d1e16ee0dee605ba9097d0368c44f2d0794`	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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