PDF malware analysis — malicious · ff76b8df200a2195

MALICIOUS

PDF

811.9 KB Created: 2010-09-11 21:30:31 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 2.5.000_PHP4 (http://www.tcpdf.org))

MD5: a48612a5c60653686c70f81d4a6934d3 SHA-1: 4dd8a05027b3567e645cfecd75d8ea2ad184ed09 SHA-256: ff76b8df200a219585df131182e400ac6c1c13a16d362895806e7f2da5ad5d78

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a hidden HTML iframe pointing to an external URL, which is a common technique for delivering malicious content. ClamAV detected this file as Html.Spyware.IMG-7, indicating a known malicious signature. The embedded URL is the primary indicator of compromise, suggesting the document's purpose is to redirect the user to a potentially harmful site.

Heuristics 3

ClamAV: Html.Spyware.IMG-7 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Html.Spyware.IMG-7
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://www.codeforum.cn/free/max1.htm

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000ba7c.bin` `a5337ef1f5a0dfe4dc8fa6b4f3ef847a53624800b5928a0eeef5b888ceecaabc`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xBA7C	264072 bytes

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