PDF malware analysis — malicious · 389658bb20243ee3

MALICIOUS

PDF

5.8 KB Created: val Authoring application: %

MD5: def4f07a10669a4958bf5b9f55b03cc4 SHA-1: 4629d8869ccdc560e1ddfa977d3a74a892a92edb SHA-256: 389658bb20243ee38ce432249d39ce0b3cc2689b69c773b19169085ddc53af10

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's LibTIFF processing. This exploit allows for arbitrary code execution upon opening the document. No specific malware family was identified, but the exploit is the primary indicator of malicious intent.

Heuristics 5

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 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_001_off0000031c.bin` `c9d76c656b67976b7a643a4eb958d8226dfa3c7a2c0a43127a370030a65f2e41`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x31C	72041 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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