PDF malware analysis — malicious · c6f3e8a56c9eaadf

MALICIOUS

PDF

5.3 KB Created: eval Authoring application: gfhersdd

MD5: 3ce5f74977d0899cb316c27c031184ac SHA-1: fdcfe9800aeeb2851b97721a91baf2418048cc43 SHA-256: c6f3e8a56c9eaadf0d2bfc494fdd0ba305a1cd767dee2ba34993527b884f0482

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The critical heuristic firing indicates exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. This exploit is designed to achieve arbitrary code execution. The embedded file and decompressed stream are likely components of the exploit or the subsequent payload. No document body text was available for further analysis of the lure.

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_002_off000002e7.bin` `419d33a043755310501762d59098be9705881658c1ec40f6438a1ac3c640af71`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2E7	49887 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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