PDF malware analysis — malicious · a4f7d27369c15c04

MALICIOUS

PDF

5.0 KB

MD5: f319ab1181a80e014bf641d3d6546413 SHA-1: f9a65d6bb76aeef77899f8d6ac09f858a5000309 SHA-256: a4f7d27369c15c04e8a0742e3a5f9984a43098747ea20d55c2392eda623de73c

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains an embedded stream that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's handling of LibTIFF XFA images. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The embedded artifact and the specific CVE firing strongly indicate a malicious intent to compromise the user's system.

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_off000002b0.bin` `3f39b29b8edd4c47ab73498a59a8dd3f2a0b92628fc5e635741ffcda0dcc68d4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2B0	47398 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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