Malicious PDF — malware analysis report

Static analysis result for SHA-256 e415d2b9a1dff7e2…

MALICIOUS

PDF

60.3 KB Created: 2021-08-04 20:33:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-02
MD5: e7379828f8ef9d296839409166460f26 SHA-1: 68e8f5b37a5ba47720bc520955a0ef62e5f74b01 SHA-256: e415d2b9a1dff7e2e127cde719cda6de80e158b344fa3a17098e37d76ef3d717
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3863

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://panziofabian.hu/fck_kepek/fetur.pdf In PDF document text
    • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa086a67c9f---samupukut.pdfIn PDF document text
    • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a1073064050---zawuwakela.pdfIn PDF document text
    • http://hyswimpool.com/userfiles/54190231592.pdfIn PDF document text
    • http://ehoron21.mn/uploads/files/dibubolebexomuxute.pdfIn PDF document text
    • http://razaviota.ir/basefile/razaviotair/files/22910019232.pdfIn PDF document text
    • https://divinesacredshakti.com/wp-content/plugins/super-forms/uploads/php/files/f73601cf876afad12eeefffaa6384348/nutulilowinafalisi.pdfIn PDF document text
    • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/4pajj8admrrs5o86p7mvru0d25/bovatekeruj.pdfIn PDF document text
    • https://jjcfurnituremaker.com/userfiles/files/99502768613.pdfIn PDF document text
    • http://permanentnimakeup-brno.cz/userfiles/files/69212362396.pdfIn PDF document text
    • http://salon-urody-bellis.pl/images/file/38974759339.pdfIn PDF document text
    • https://mayurherbal.com/userfiles/file/gixusoxelopakogoj.pdfIn PDF document text
    • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/2ea144e86bba05bc26f2bd9b6a3e3e21/fepaduvapamekujafumilabiv.pdfIn PDF document text
    • http://hzbmsj.net/images/upload/File/3586835654.pdfIn PDF document text
    • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16091d778ee240---54424752580.pdfIn PDF document text
    • http://summithighschool1958.com/clients/71652/File/nagaxululozugika.pdfIn PDF document text
    • http://technocom.pl/editor/file/7326104098.pdfIn PDF document text
    • https://hoangnhataudio.vn/media/files/83682474897.pdfIn PDF document text
    • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bd638e0ca73---39513654922.pdfIn PDF document text
    • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/1e9ba7a8cd3375eacb068ed9db401574/73765340734.pdfIn PDF document text
    • https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/1860408078.pdfIn PDF document text
    • https://tpk-m.ru/files/file/duxalalesotu.pdfIn PDF document text
    • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/7r09b9g0ce60dn11fl04e8nplb/solezugigopadovuvidolel.pdfIn PDF document text
    • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/79e7ab4263f08d00a1e7c6a5d0c4c5d8/titikoxixogu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=atomic+mass+of+first+20+elements+without+decimalsPDF link annotation

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