Malicious PDF — malware analysis report

Static analysis result for SHA-256 d37ef830765e618d…

MALICIOUS

PDF

2.6 KB
MD5: 1a5986517f75153d4717e8e308a72fa0 SHA-1: 87c1454eabc5d889f612601658d411c03fe6d207 SHA-256: d37ef830765e618dfbb0f0330f0f52ffcb54b495a468fa0fbf1aaaae01d836fa
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is a PDF document that contains an embedded malicious file. Static analysis identified a critical heuristic match for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. This exploit likely leads to the execution of the embedded payload, which is flagged as suspicious by ClamAV. The PDF structure itself does not contain user-readable content, suggesting it's solely a delivery mechanism for the exploit.

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
153ad06634a630c80efaced06220a274f85c46d946672715cf52ef2e7bebb7cf
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).