PDF malware analysis — malicious · 348c6907c44fd2b5

MALICIOUS

PDF

7.1 KB Created: 2012-11-27 12:58:23

MD5: e6f051a29f4ae7a2d583fd20677eec17 SHA-1: 4024d17f221b208f09cc3b7b89efc2fa417aef3a SHA-256: 348c6907c44fd2b59c29c5d42a69a0cfbc0fd4ba9b5968e36828a03c4a244013

70 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded script payload, flagged by high-confidence heuristics. The ML classifier strongly indicates maliciousness. The embedded file 'embedded_file_obj0007.bin' is likely the second-stage payload. The document body text appears to be obfuscated or corrupted, preventing a clear understanding of the lure.

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_obj0007.bin` `7fbaac172468ca7d41d0d002341e2e7ec5c53c0eb7775327e1f0fd85ea5a5fd6`	pdf-embedded-file	PDF EmbeddedFile object 7 at offset 0xACF	7093 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 long base64-like blob(s).

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