Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cc61e3b0300409b…

MALICIOUS

PDF

40.8 KB Authoring application: LibreOffice
MD5: f7c9cbde23080510d9c8fc1b02cdddc8 SHA-1: 9a68793b942ff93edd880a84348e9bc17ce7396f SHA-256: 0cc61e3b0300409ba194e99aff67e975b19f3679864056f9292ebf86d35f9caa
102 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and a "visual download" lure, suggesting it is designed to trick the user into downloading a secondary payload. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or malicious download intent. While no scripts were explicitly extracted, the presence of external URIs and the phishing lure indicate a likely attempt to deliver malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://notesinthemargin.co.uk/uploads/1/3/0/6/130621031/3769559.pdf
    • http://dozefex.davidnajaryan.com/uploads/2020/01/29/f40845941c59f92.pdf
    • http://dawnhomesut.com/uploads/1/3/0/6/130603944/af5f2a.pdf
    • http://peteylownotes.com/uploads/1/3/0/5/130539735/4309c.pdf
    • http://ts4hire.com/uploads/1/3/0/5/130551065/2ccea582a662e3.pdf
    • http://newmiltoneagles.org.uk/uploads/1/3/0/5/130588345/130588345.html#pokemon+x+rom+for+android+citra
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001090.bin
d6f2fd78e2e3ad9c94bca534496dced3a94a8e0f202b02cd41484f2ba78ab693		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1090 8712 bytes
font_01_sfnt_off0000590a.bin
6db2f878e0fd57d3a351d0d81a5ccd7b58f68df6728dadc3aee3ebeb1a1d6e60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x590A 16068 bytes

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