PDF malware analysis — malicious · e8655e1cdb04b70a

MALICIOUS

PDF

5.2 KB Created: 2003-03-03 59:56:01

MD5: 6f80810cf900af51840bfc9c045b40f1 SHA-1: 3d87706f1629de6f47e92e24e3c99c5fe66fb2ad SHA-256: e8655e1cdb04b70ac18e235785c7b57a76dd44ad6f3f3ce36dba0915475a7e0c

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded JavaScript payload that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA image processing. This exploit allows for the execution of arbitrary code. The extracted JavaScript file, stream_003_off00000413.js, is the likely component responsible for the malicious execution.

Heuristics 6

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 script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0029.bin` `b85f2885a60b7006a427063ffb669f6e57310c3e77f547657c5f40fb772e19e9`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x328	164 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`stream_003_off00000413.js` `b1db2da785c52741085e86e351be2975781eddc9234acb0e9e19f735b60e1e22`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x413	44252 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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