PDF malware analysis — malicious · f98719a8b0b60036

MALICIOUS

PDF

21.2 KB Created: eval Authoring application: gfhersdd

MD5: 19254428c6c9935b44be4855910ec9da SHA-1: 8ada223754714b9038964d2479e6ce5b3b1f6b2e SHA-256: f98719a8b0b600365a478402872a3aa00b57addec10ef001a08dcd7d27f93ca9

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 XFA forms. This exploit allows for arbitrary code execution on the victim's machine. No document body text or scripts were extracted, but the critical heuristic firing strongly indicates exploitation.

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` `d980db416a918cfcdf9aba5611104480efeb24af9aeb0e0e947ae873a453d85b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2E7	50029 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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