Pdf.Dropper.Agent-7597507-0 — PDF malware analysis

Static analysis result for SHA-256 62214000f8fb8ec0…

MALICIOUS

PDF

284.5 KB Created: 2011-04-23 03:27:46 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 2.5.000_PHP4 (http://www.tcpdf.org))
MD5: 8e8575ad1869eb63df0842f2283b45e3 SHA-1: d3f4859a892ed48ed829b5b108f13587f7e9083c SHA-256: 62214000f8fb8ec0ff35c05eb73440ddad09a89fa389fed9763d7d4e1ca60657
62 Risk Score

Malware Insights

Pdf.Dropper.Agent-7597507-0 · confidence 85%

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was identified by ClamAV as Pdf.Dropper.Agent-7597507-0, indicating it is a dropper. The presence of an embedded URL, http://gdhdfhedrhdfh.co.cc/QQkFBg0AAQ0MBA0DEkcJBQYNAQIEAgEMBQ==, strongly suggests that this PDF is designed to download and execute a secondary malicious payload. The PDF structure and embedded content are consistent with a malicious document used for initial compromise.

Machine Learning

  • Nyx PDF Classifier clean score 0.2455

Heuristics 2

  • ClamAV: Pdf.Dropper.Agent-7597507-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7597507-0
  • 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://gdhdfhedrhdfh.co.cc/QQkFBg0AAQ0MBA0DEkcJBQYNAQIEAgEMBQ==
    • http://ns.adobe.com/xap/1.0/
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#
    • http://ns.adobe.com/photoshop/1.0/
    • http://ns.adobe.com/tiff/1.0/
    • http://ns.adobe.com/exif/1.0/
    • http://www.iec.ch
    • http://www.gnu.org/copyleft/gpl.html

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000c533.bin
a5337ef1f5a0dfe4dc8fa6b4f3ef847a53624800b5928a0eeef5b888ceecaabc		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0xC533 264072 bytes

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