Malicious PDF — malware analysis report

Static analysis result for SHA-256 38f29d75ad322dc1…

MALICIOUS

PDF

99.3 KB Created: 2016-04-17 12:40:28 -06:00 Authoring application: http://www.convertapi.com
MD5: 6950e99a12d1ef47c55dbc8ba418cf88 SHA-1: 7c1300dcdc34f2dfd84c84c66a85d2527a7c218b SHA-256: 38f29d75ad322dc1c9e2febc996ab3162c0bcbc2eb7a3632725204a51e6ef00a
80 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The file is a PDF document identified by ClamAV as Pdf.Dropper.Agent-7250106-0. It contains an embedded URL that utilizes a URL shortener (bit.ly), which is a common technique for obfuscating malicious links. The shortened URL redirects to 'http://bankaccess-excel.wholesaleresearchchem.com/', suggesting a phishing or malware delivery attempt. The presence of a URL shortener and the ClamAV detection strongly indicate a malicious intent.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2542

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7250106-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7250106-0
  • 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://bankaccess-excel.wholesaleresearchchem.com/
    • http://www.convertapi.com
    • http://bit.ly/1RTo2dV
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000515.bin
b93602b2d2ccd851dca4bb425f84cbd99dbe787f78439780c532553d1b5e5cf0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x515 13812 bytes

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