Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5265113310f0253…

MALICIOUS

PDF

2.6 KB
MD5: dbe35a58d7de626fdd254f1fa032fd90 SHA-1: adcd6e7289f1b486191865c0a24a9bdee9a9298a SHA-256: e5265113310f0253ea0f816bf23d297c44f2d10b09bca0729838f212699ed2d3
138 Risk Score

Malware Insights

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

The PDF file contains an embedded TIFF image that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is designed to download and execute a secondary payload, as indicated by the ClamAV detection and the embedded file artifact. The attack pattern is consistent with a malicious document designed to compromise the user's system via an exploit.

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
c6caeb4c48c34e4d693beb027c3539e4649758c0ade0d5b44fc2d54ee93d4810
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13415 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).