PDF malware analysis — malicious · ecca94cba839c915

MALICIOUS

PDF

7.4 KB Created: 2012-08-04 17:40:47

MD5: c0b43d89a3b8c84ce9d51c8589d48803 SHA-1: aa9b722c3821d50c26af2435569d6dacc87662a9 SHA-256: ecca94cba839c9154494906a5e72d1c4b4a0f96bae8bccaaeadf03caea0663a7

68 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded script content, as indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. The ML classifier also flagged this PDF as malicious with a high confidence score. The embedded file 'embedded_file_obj0011.bin' is likely the payload. No specific family could be identified.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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
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
`embedded_file_obj0011.bin` `7b802c399bf8a42fb50bfa6b106779c1b6adf139926338416a459e5f0b24d706`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0xB97	6910 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 long base64-like blob(s).

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