PDF malware analysis — malicious · afdd3af195c171d0

MALICIOUS

PDF

811.9 KB Created: 2010-09-12 21:08:34 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 2.5.000_PHP4 (http://www.tcpdf.org))

MD5: 0dad2ef78b116ebe69e29c6054c7461b SHA-1: d53bd35bf2b773289e96b3ef1d8c263f24103579 SHA-256: afdd3af195c171d0967d3f4e34c433294f3239d56c1dc0507e32fcbf18b55a73

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a hidden HTML iframe, a common technique for redirecting users to malicious sites. ClamAV detected this file as Html.Spyware.IMG-7, indicating a known malicious signature. The embedded URL points to a suspicious domain, likely serving as the destination for the iframe. The overall attack pattern suggests a phishing or redirection attempt.

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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