PDF malware analysis — malicious · 3829a1b223969cd2

MALICIOUS

PDF

5.0 KB

MD5: ff9e99d1690a349223be0154b13fa3b4 SHA-1: 89b4275a055685803f9cc3e9dbad3a24fde7005d SHA-256: 3829a1b223969cd29ec207cf113524b9a824377cbf4182058e03713a33ee3969

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 is intended for immediate execution upon opening the document. No document body text was available for analysis, but the exploit itself is sufficient to determine the attack pattern.

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` `30f15da2760b1a47be49c9fbf048444fd51227c9290f2bb34cf49d5f8dc41dcd`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2B0	47416 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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