Malicious PDF — malware analysis report

Static analysis result for SHA-256 1960bc97b64aad2b…

MALICIOUS

PDF

41.1 KB Authoring application: Soda PDF
MD5: 705c682bc5c5b4fd1d32f6c8264a9eb9 SHA-1: d65254e54fd1b72de374aaa78d0265c7fc3b35f7 SHA-256: 1960bc97b64aad2be9bcca6ebda403e0edb4cdff0c8ea47d335e72503b82f6dc
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO spam or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs are the primary indicators of compromise, suggesting the document's purpose is to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://brianoconnell.org/uploads/1/3/0/5/130588517/zifoniwud.pdf
    • http://toranug.boda-hilda-avelino.com/uploads/2020/01/27/fapiduka-fogifani-ruwegonosez.pdf
    • http://xuvawadupa.project-inspire.global/uploads/2020/01/29/d0865c4b2750c9.pdf
    • http://lumotiz.modulzavod.club/uploads/2020/01/28/mowalexeret.pdf
    • http://mercymedicalarts.com/uploads/1/3/0/2/130288456/c0e2c0965e9f7.pdf
    • http://wexoxama.storeshop.xyz/uploads/2020/01/28/2204240.pdf
    • http://nafox.audiostart03.icu/uploads/2020/01/28/vodekovi_rejikafoges.pdf
    • http://alloexo.studio/uploads/1/3/0/6/130639781/vuxodeke-jokuriwuw-gobuxubab-lafenanonev.pdf
    • http://lakewatchoutdoors.com/uploads/1/3/0/5/130540282/e0bced4b5748.pdf
    • http://mozellemosaics.com/uploads/1/3/0/6/130603985/3973641.pdf
    • http://tiffanycandles.net/uploads/1/3/0/4/130476493/6146781.pdf
    • http://neokundalini.org/uploads/1/3/0/2/130287894/130287894.html#crs+reporting+deadlines+2019+cyprus
    • 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_off00001361.bin
1309a32304adcdfc4c0cc93d4512cb09d086687034a63e46691e592e0255f020		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1361 8472 bytes
font_01_sfnt_off000059f9.bin
6db2f878e0fd57d3a351d0d81a5ccd7b58f68df6728dadc3aee3ebeb1a1d6e60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59F9 16068 bytes

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