Malicious PDF — malware analysis report

Static analysis result for SHA-256 b529074b3a3a5a12…

MALICIOUS

PDF

81.5 KB
MD5: d8b9a57ec63ce54cbc0d76da887c8a2e SHA-1: 5fe1ab977e2b99271b7df6b1b01e33ba6e77725c SHA-256: b529074b3a3a5a1218cd6ee99485348e16af528597101886ac519c99896d4015
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF document contains a direct link to a ZIP archive hosted on 'samuelramachandran.com'. This heuristic firing indicates a high likelihood that the document is designed to lure the user into downloading and executing a malicious payload. No scripts were extracted, and the document body was unreadable, so the primary indicator is the direct payload link.

Machine Learning

  • Nyx PDF Classifier clean score 0.0007

Heuristics 2

  • PDF link points directly to executable/archive payload critical PDF_DIRECT_PAYLOAD_LINK
    PDF contains a clickable HTTP(S) URI whose path ends in an executable, script, shortcut, disk image, or archive extension. Documents can legitimately link to installers, so this is a high-risk delivery indicator rather than a standalone exploit fingerprint.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/pdf/1.3/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_cff_off0000117c.bin
dc170c6f02f2b156352671fad65a9bda5b1469f65970b14b93d1b21cf765ef1b		 pdf-font-stream PDF embedded font (cff) at offset 0x117C 2830 bytes

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