Malicious PDF — malware analysis report

Static analysis result for SHA-256 60290f2b4d5de751…

MALICIOUS

PDF

65.4 KB Created: 2021-06-30 02:49:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14
MD5: 0055a94e25c3712d2ef3dcf8b3749baa SHA-1: f56ab5222dbd54c6278cdab75bac0df9723db908 SHA-256: 60290f2b4d5de751db95c4b896e4e843fa040b923b78fb786b174d0dea9c3508
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many pointing to compromised WordPress installations and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or redirection campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6756

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 https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160757a3429030---93633867482.pdf In PDF document text
    • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/f1b2731b5a4f1f017587d969e5c01528/51458240014.pdfIn PDF document text
    • http://quickvideo.nl/userfiles/file/16506577804.pdfIn PDF document text
    • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083d1d1d18d1---jekoxulebenujo.pdfIn PDF document text
    • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/aa4f343c6a5e96db6b0830f3133512d2/17934866434.pdfIn PDF document text
    • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882b032323b---352835242.pdfIn PDF document text
    • http://gadkowski.pl/repository/filemanager/file/21714604113.pdfIn PDF document text
    • https://grupo-kayros.com/userfiles/file/samefitawesad.pdfIn PDF document text
    • https://jamurgoreng.net/contents//files/basodimasefirawiziwofok.pdfIn PDF document text
    • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4934b55da5---78669890365.pdfIn PDF document text
    • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/6855bf584873ffae14fd4973af953213/55509832223.pdfIn PDF document text
    • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b3995e05b6e---varesapojag.pdfIn PDF document text
    • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/91ukb23fmcsv4jslb3nkpu2lvn/jaxeratimitasenufetezab.pdfIn PDF document text
    • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/af39251fc74eae4707cab709b0572a74/93931848540.pdfIn PDF document text
    • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/0e2d3f3264284dde88a79c6bb669b11c/dizofebegopotolivade.pdfIn PDF document text
    • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609749d50919b---77727334649.pdfIn PDF document text
    • http://446888.top/userfiles/file/lofananime.pdfIn PDF document text
    • http://techbis.pl/files/file/84728912517.pdfIn PDF document text
    • http://banghetretunhien.com/media/ftp/file/xewojiwaxon.pdfIn PDF document text
    • https://gregor-biffiger.ch/userfiles/file/fisag.pdfIn PDF document text
    • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/17c1a3dec6eeebae6026fb2948cff891/9307210235.pdfIn PDF document text
    • https://geneolock.com/locktactyuma/userfiles/file/33007434894.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=34+weeks+pregnant+baby+weight+in+gramsPDF link annotation

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