PDF malware analysis — malicious · fa397794157fe15f

MALICIOUS

PDF

5.2 KB Created: 2011-06-11 17:19:01 Authoring application: p20

MD5: 975ac1d8a08aabd8f452191dedd56e3e SHA-1: caeaa7510a516f556b668a9f644ff099cc2a2acc SHA-256: fa397794157fe15f32346354440c4c19a85af3618a58ec6395e6416c26a32991

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF and XFA forms. This exploit leads to the execution of an embedded JavaScript payload. The JavaScript file, stream_002_off00000306.js, is likely responsible for downloading and executing a second-stage payload. The confidence is high due to the clear exploit signature and the presence of an executable script.

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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_002_off00000306.js` `7c3a6cb594140f2aa4ac5e7066f56aac0c2a7d1cb64bfe7ef7abda6087ef938f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x306	65209 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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