PDF malware analysis — malicious · f5c0d038b6603dca

MALICIOUS

PDF

5.5 KB Created: qHFdTlfA Authoring application: gfhersdd

MD5: e098042baf15d2189739d8448dd091a4 SHA-1: 07bf72c6b8580fb31c11f7696f2edcbb0e95b4c0 SHA-256: f5c0d038b6603dca294d0e99e7babbf144d1bc1ce9d4311f075da04aea420a0f

82 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 vulnerability in Adobe Reader. This exploit allows for arbitrary code execution, likely to download and run a second-stage payload. The XFA form and embedded file heuristics further support the exploitation vector.

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` `35fd893d5dab9569130a9d195067c51a3feca258bd463ec56fe78acbc7861944`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2E7	59499 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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