Malicious PDF — malware analysis report

Static analysis result for SHA-256 104e3db9652daf70…

MALICIOUS

PDF

39.4 KB Authoring application: Serif PagePlus
MD5: 04b3dd95139f4375cc1abcf8ad778911 SHA-1: e3cbb78c5e5a7193e4df24f0837fe5260e4825ef SHA-256: 104e3db9652daf701918de67c6652fa9637accc969d1969b4b22f499b4a80f2d
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF that contains embedded URLs pointing to other PDF files and HTML content, masquerading as sheet music. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. The embedded URLs are the primary indicators of compromise, suggesting a campaign to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://5toolgroup.com/uploads/1/3/0/6/130604393/voguli.pdf
    • http://mygreencirclerealty.com/uploads/1/3/0/3/130313309/fivavajerak_rukumakagizuga.pdf
    • http://ivyensemble.com/uploads/1/3/0/3/130323157/bumejoxadi-varutufitezaza-mexenagos-sopebew.pdf
    • http://onlineventures101.com/uploads/1/3/0/6/130603932/4895169.pdf
    • http://08dushu.com/uploads/1/3/0/2/130291499/1717ec1e37.pdf
    • http://theelfbox.com/uploads/1/3/0/5/130590026/130590026.html#star+wars+across+the+stars+violin+sheet+music
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001102.bin
12aaf3075111ac0ae5b438b9ccda742a2fd9480af9faa27a8a354b34259b74f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1102 9016 bytes
font_01_sfnt_off00005f5a.bin
87fd6b1a35a64f5c2d30902eea89631a9c05d6b36ef70c6d0cee4d2ad867525e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F5A 2596 bytes

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