PDF malware analysis — malicious · c2c6aab59f979dde

MALICIOUS

PDF

5.1 KB Created: 2011-04-05 23:46:28 Authoring application: bgsfsdffab

MD5: bffa75eaf5f717d02da0f2d5ecad08fb SHA-1: c9fa9d8dd3152fa9b8ce4c0d6fc91fadb65ef8c2 SHA-256: c2c6aab59f979dded690b3f7833bf8102fcf3e4084951322cfd13667ac013bb1

70 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by an ML classifier with high confidence. Heuristics indicate the presence of an embedded script payload within a PDF stream, identified as a JavaScript file. This embedded script is the primary indicator of malicious activity, likely serving to download and execute a second-stage payload. The document body contains no user-facing content to suggest a specific lure.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_001_off00000316.js` `922e5a700553366d011aed6b7cbcc274432e5bcd7c4420eb614438c2a8e973e8`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x316	55442 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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