Malicious PDF — malware analysis report

Static analysis result for SHA-256 da2d01e9c7b5d5d5…

MALICIOUS

PDF

3.0 KB
MD5: f60873027db57cf279c5329f9ea312bc SHA-1: 48678b11c237df7a7c6bef5b30697c127eb79aed SHA-256: da2d01e9c7b5d5d534ebf6e1f0b835b484a0a929492ed20b0bc216413ea4ec0e
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is known to deliver a second-stage payload. ClamAV also flagged the file for obfuscated object names, indicating malicious intent. The embedded file 'embedded_file_obj0001.bin' is likely the delivered 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: 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
480bff9874047f908dfd2c58111ab080842434b65f91075e948626ee41cd09fb
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x69 13430 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).