PDF malware analysis — malicious · fd576f1bbc1039c2

MALICIOUS

PDF

9.4 KB

MD5: a897b6dc8896a1e5e0425e935405b70b SHA-1: 681fdd9ceae568ef9f07709d3199a501cef111d8 SHA-256: fd576f1bbc1039c2e6d82ef2f0f2741b343cf617ef6d6e062f97dd0217694f32

60 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, flagged by heuristics as a malicious payload. The ML classifier strongly indicates maliciousness. The presence of two JavaScript files, 'acroform_b64_00.js' and 'stream_002_off00001ce6.js', suggests the document is designed to exploit a vulnerability and execute code. The exact function of the script is not fully discernible due to potential obfuscation, but its presence and the high ML score point towards a downloader or exploit execution.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 3

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.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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
`stream_002_off00001ce6.js` `51f897dc3e98d654bfe0efaba451f3ba36fcbdda499b5698a510ba1f8dd1899b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x1CE6	5848 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).
`acroform_b64_00.js` `10fb1f9f95033c4516a89bf17694bea62aa6a45633d8116ae78a2c56d93d8714`	deobfuscated-js	PDF AcroForm base64 (decompressed) at offset 0xF3	8720 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s). Carved artifact contains 3 long base64-like blob(s).

Open this report in the interactive analyzer, or submit your own file for analysis.