Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c4ceb7135a538b3…

MALICIOUS

PDF

2.6 KB
MD5: ab8f3992ac82b4ef59ad91b61dac58e6 SHA-1: 81630a089642295c4f1edddf9c2e083464cf95e1 SHA-256: 9c4ceb7135a538b312fb913b2f762bee3f07c7f8d3604209d1b8fc0d66b3c6ed
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains an embedded TIFF image that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to execute a secondary payload, indicated by the 'Pdf.Exploit.Dropped-90' ClamAV detection and the presence of an embedded binary artifact. The attack pattern is consistent with a malicious document designed to compromise the user's system via an unpatched PDF reader.

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).