Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccd7b3eb4aef012e…

MALICIOUS

PDF

2.7 KB
MD5: 8823c7a5e0266a25c31da2b4b9a42079 SHA-1: 9854da796f1801fda66060d3bc6a87b3e5f759d4 SHA-256: ccd7b3eb4aef012e31af739690fdde8aa2656a43f3e8fd347563ac80f71e3c31
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 exploit is known to target Adobe Reader and is used to execute arbitrary code. The embedded file 'embedded_file_obj0001.bin' is likely the second-stage payload. The exploit and embedded file indicate a malicious intent to compromise the user's system.

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
4dc9395bb6570e09bf2a65377cfeac21bfff071466e31d07d3718abb9870a146
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x51 13430 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).