PDF malware analysis — malicious · 4589e1750331d28b

MALICIOUS

PDF

38.9 KB Created: eval Authoring application: gfhersdd

MD5: 4093e248c50418a472d2835b83730599 SHA-1: 49f3e230ab149d04e59120b898f67ec06b665fd4 SHA-256: 4589e1750331d28b3d20db89ff81051cf641a2e8058b5993d24acef7c15d4cc0

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains a critical heuristic indicating exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. This suggests the document is designed to execute code upon opening. While no specific malware family is identified, the exploit's nature points towards a downloader or dropper mechanism. The embedded artifact 'stream_001_off000002e7.bin' likely contains the secondary payload.

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` `624e5fca56f8aa41455260944b69fffc82d668c9e752d7cbc33ad4c2549ca326`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2E7	50428 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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