PDF malware analysis — malicious · d03101179f0b32eb

MALICIOUS

PDF

5.3 KB Created: 2004-05-02 19:56:00 Authoring application: e

MD5: fe4bb5d1550f91ed0d51c9f4e34a0dfb SHA-1: e3f37e72d761379a4e6ce7ca6ddb130e7a049421 SHA-256: d03101179f0b32ebe796c4c4a7b0d8a303eb2a698a22f583cca5e592f145d233

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059.001 PowerShell

The sample is a PDF document that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA image handling. A JavaScript payload was extracted from a decompressed stream within the PDF. This payload is likely responsible for the malicious behavior, potentially downloading and executing further stages. The PDF structure itself contains minimal readable content, indicating its primary purpose is to deliver the exploit.

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_003_off0000034c.js` `31bfb421eaa7d531d684a9a9ff45fe7b593831b6ce7136045d21605bad523164`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x34C	60907 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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