Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb47843be23ee8fb…

MALICIOUS

PDF

235.8 KB Created: 2010-02-23 19:52:01 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 2.5.000_PHP4 (http://www.tcpdf.org))
MD5: 8ec2d4a396c0a5e878fda167b5acfdbb SHA-1: 6d00019a71eb117ce5444971a9fed487dd851e21 SHA-256: cb47843be23ee8fb71149c5cf8fe604a7572ea141b45cf0f5ab8611363404c13
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a hidden HTML iframe, which is a common technique for exploiting PDF vulnerabilities to redirect users to malicious sites. The embedded URLs point to suspicious domains, likely serving as landing pages for further exploitation or malware delivery. ClamAV detection confirms the malicious nature of the file, identifying it as Pdf.Exploit.Agent-19973.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-19973 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-19973
  • PDF contains hidden external HTML iframe high PDF_HIDDEN_HTML_IFRAME
    PDF bytes contain a hidden zero-size HTML iframe pointing to an external HTTP(S) URL. This is a strong malicious dropper/redirect indicator and is not expected in ordinary PDF content.
  • 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://fuadrenal.com/lib/index.php
    • http://reycross.com/lib/index.php
    • http://odmarco.com/lib/index.php

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000b9ed.bin
a5337ef1f5a0dfe4dc8fa6b4f3ef847a53624800b5928a0eeef5b888ceecaabc		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0xB9ED 264072 bytes

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