PDF malware analysis — malicious · df3ef6abd37cf0f9

MALICIOUS

PDF

5.6 KB Created: qHFdTlfA Authoring application: gfhersdd

MD5: 5f1c385187d8ef4ddb00045cd844851b SHA-1: 0c446e9c09978c9bc8f247e67f4cff06c8664ba7 SHA-256: df3ef6abd37cf0f9bb204b066213042b9a8fd81d645311e42a194daafcaa25b1

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The critical heuristic firing for CVE_2010_0188 indicates that this PDF document is designed to exploit a known vulnerability in Adobe Reader. The exploit payload was found within a decompressed stream, suggesting it's intended to execute malicious code. No document body text was available for further analysis, but the exploit itself is sufficient to classify this as a malicious document.

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_off000002e7.bin` `e433d06b965be82ea73d1e23e805e71477603ebd00c59150f39e9d17ddb6cc29`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2E7	59538 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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