PDF malware analysis — malicious · 512b8ec3af404fcf

MALICIOUS

PDF

5.1 KB Created: 2003-03-03 59:56:01

MD5: 66aed9ee0ea22b9d871b74806b0b0a34 SHA-1: 2bff5cd41038999536b590c9b9ce2dad2c7eda6d SHA-256: 512b8ec3af404fcfc5092febed680890d647c0af26b5b40fd17d983acd8cd405

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.001 Command and Scripting Interpreter: PowerShell

The sample is a PDF file that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This vulnerability allows for the execution of arbitrary code. A JavaScript payload was extracted from a decompressed stream, indicating the likely intent to download and execute a second-stage payload.

Heuristics 6

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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: PDFSyntaxError. 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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0029.bin` `66b59820befd1d78d9be4b428b61ba7214bc2d08b2e879803fa5fe19857f0c6d`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x2F8	134 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`stream_003_off000003cb.js` `fb33a0a6342977f13e53e9bb518295c42084d3bdb8b03cefe6323e6ddc638011`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3CB	44217 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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