Malicious PDF — malware analysis report

Static analysis result for SHA-256 347bccd7c02e17ba…

MALICIOUS

PDF

2.6 KB
MD5: a429a0a9cd27504afbaf205dc792882c SHA-1: ad617571ea033d584a1592aeef0ebf6ec25d5914 SHA-256: 347bccd7c02e17ba603b419de1da000f82d48eb1550a0c047f1855360e37d224
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious File T1204.001 Malicious File: User Execution: Malicious Link

The PDF file contains an embedded TIFF image that exploits CVE-2010-0188, a known vulnerability in Adobe Reader's handling of XFA forms. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The ClamAV detection further confirms the malicious nature of the file.

Heuristics 5

  • 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.Dropped-90 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-90
  • 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.

FilenameKindSourceSize
embedded_file_obj0001.bin
fd15954ec8f8c6d9a50d1b435095b3753f7c61c532eb7ced2cd186253b69475a
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13415 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).