PDF malware analysis — malicious · 99345856b88f459b

MALICIOUS

PDF

120.4 KB

MD5: ed64dacc58db5c3a215346ff44d63e4f SHA-1: eb37b994460e7f0c083ab12ea96c7befee062ae2 SHA-256: 99345856b88f459be1598e967b5224406a54774be3b683fcae3fefcb0b1bc197

78 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF document that contains an embedded XFA form with a critical heuristic indicating exploitation of CVE-2010-0188. This vulnerability in Adobe Reader allows for arbitrary code execution. The embedded file, 'embedded_file_obj0001.bin', is likely the payload. The attack pattern suggests the document is designed to exploit this known vulnerability to deliver a secondary stage. Confidence is high due to the critical CVE firing.

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.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `7c5488db1812462a9c2682b6757dbd306ac19f408b81ed1cd5b722bbea2eeb1f`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13454 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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