Malicious PDF — malware analysis report

Static analysis result for SHA-256 498f3abbd556ac1a…

MALICIOUS

PDF

69.2 KB Created: 2014-12-04 18:14:18 -08:00 Authoring application: RAD PDF (via RAD PDF 2.36.6.2 - http://www.radpdf.com)
MD5: 2764913259a14a776069e080693987ad SHA-1: 57b6a771ec98f9c47b6526d4f1416a6061ed7e76 SHA-256: 498f3abbd556ac1a499c7d085e472b3770ea42ff41c33b63c4c8daebfbecbf1f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The critical ClamAV heuristic indicates this PDF is a known dropper. The embedded URL heuristic and the presence of a URL shortener (ow.ly) suggest an attempt to redirect the user to a malicious site. The document body contains the URL http://bazurashop.com/pdf/confirm.php, which is likely the ultimate destination for the payload delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0012

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-6308766-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-6308766-0
  • Clickable URI uses URL shortener medium PDF_URL_SHORTENER_URI
    PDF contains a clickable HTTP(S) action whose destination is a URL shortener. This hides the final landing page from static review and is common in phishing redirect PDFs.
  • 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://bazurashop.com/pdf/confirm.php
    • http://www.radpdf.com
    • http://www.radpdf.com)/Author(Anaka
    • http://www.dynaforms.com
    • http://ow.ly/C6mp30bjdqh
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/pdf/1.3/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a91.bin
6c2b815c36a98eec8ce9f0ae8f129973d7a7c18174bf7d36977db1fd3526f3a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A91 50936 bytes
font_01_sfnt_off00009831.bin
66851e40123581515853def8bdbba9c1daa70925d888cb8e50dcb6f0da20dc1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9831 20560 bytes

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