Malicious PDF — malware analysis report

Static analysis result for SHA-256 335b402419899944…

MALICIOUS

PDF

2.6 KB
MD5: d1a041ef2dfe9f9054f22e48532c4139 SHA-1: 13227be4d94579e7cdbb0d0a9d07d80e0d6ed0e6 SHA-256: 335b402419899944b3fa037ea00fe67f7e3f2bf06fd8bc3c6bc753020eb77bec
138 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded XFA form with a malicious payload. Static analysis identified a critical vulnerability, CVE-2010-0188, related to the exploitation of an Adobe Reader LibTIFF XFA image. This indicates the document is designed to exploit this specific vulnerability upon opening in a vulnerable version of Adobe Reader, likely leading to the execution of a secondary payload.

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
853d5786c77f0cc410e1b09aefa3d5203c21aa9423108ae1acd03d60f3b92d97
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13473 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).