Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1b896d5b6b4117c…

MALICIOUS

PDF

2.4 KB
MD5: d32cf0ee71f167e70430a8de93c1a7e4 SHA-1: fce0a04ffa3a2412899f1561a768f505cfc62ab0 SHA-256: f1b896d5b6b4117c53a7fd2baf7a5ba6b7f440d8cdb72fcdc18857e6846d6b7f
78 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. This vulnerability in Adobe Reader is known to be used for delivering second-stage payloads. The embedded file 'embedded_file_obj0001.bin' is likely the malicious payload.

Heuristics 4

  • 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.
  • 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
dadb399183c93492ca4cb3e9802edab53de4864713a212a098e6b9d742d75e3a
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x51 13354 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).