PDF malware analysis — malicious · 2a88a0db622f6fa7

MALICIOUS

PDF

78.2 KB

MD5: 01c4a872de65158281eb8275c5bf8937 SHA-1: 6defe2d7b190b5c52a2fc38dec882a47f7bf6666 SHA-256: 2a88a0db622f6fa73d1fb8b5214c5a0fbb19330438b354d317443d84a6f1e83e

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF document that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF XFA image handling. This exploit allows for the execution of arbitrary code. The embedded file, 'embedded_file_obj0001.bin', is suspicious and likely contains the secondary payload. The XFA form and embedded file heuristics indicate a malicious intent to deliver 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.
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
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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` `5cef019c1335cf413c3b764f8bf6d3d305a45c6872e36866b22ef0163fce9c50`	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).

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