Malicious PDF — malware analysis report

Static analysis result for SHA-256 dee4b284e38d5bc4…

MALICIOUS

PDF

17.1 KB
MD5: a35d1c6848dfef3713a47df9c05fc597 SHA-1: f9790553b66fd39d59c880f8b1225c5d79d73b54 SHA-256: dee4b284e38d5bc43737a825571c4251043ae6901c1d0ab7321f19a97c9924cd
138 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit, targeting Adobe Reader. This exploit is known to be used for arbitrary code execution, typically to download and run additional malicious content. The ClamAV heuristic also flags the file as obfuscated, further indicating malicious intent. No specific family could be identified, but the exploit vector is clear.

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: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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
f5e405838035826e8daceeab98749cfd84ba3d824ea51939a67d895e5cfafa85
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0xD4 13465 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).