PDF malware analysis — malicious · 1b72b7a1f60cb257

MALICIOUS

PDF

30.9 KB Created: eval Authoring application: gfhersdd

MD5: 6d4dd7b3212229eca80e0ce28238d3c4 SHA-1: 544d1e217e0792e1509c8f9f6837558ffcf771cb SHA-256: 1b72b7a1f60cb257d1088b103df56874dce42da3ac7795dc4d0f39432e28b1a0

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains a critical heuristic indicating the presence of the CVE-2010-0188 exploit, which targets Adobe Reader's LibTIFF component. This exploit is designed to achieve arbitrary code execution. The embedded and decompressed stream further supports the presence of malicious content. The file's purpose is likely to serve as a dropper for additional malware.

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_off000002fc.bin` `dcddb5eec59ea703275e5e9bbe043558debae0f077d3294ba33836b91d3c6e5f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2FC	50241 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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