Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff89cf67eaf7079f…

MALICIOUS

PDF

2.6 KB
MD5: 3f20f9dbede7aefae7a5252d8aec2de8 SHA-1: 95221130ba8ab4429802a30416aba46aed69de84 SHA-256: ff89cf67eaf7079f3b45d67fbdbb1de383bf80a32b08607fe37c125704c7fc38
138 Risk Score

Malware Insights

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

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit, targeting Adobe Reader. This exploit is known to deliver a secondary payload, as indicated by the 'Pdf.Exploit.Dropped-90' ClamAV detection and the suspicious extracted artifact. The attack pattern is consistent with a malicious document designed to compromise the user's system upon opening.

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
7b6cfcc2490059ebb8a317293bcf7a52ead8fbcac42ccdb2ce6a76f66276b67f
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).