Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://mg001.cn/upload_fck/file/2021-7-17/20210717151645441420.pdf In PDF document text

  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/39b2f003a12dfbd52403781ce1fa6e00/tubekasaterazij.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/68573328139.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/nasowenenanulivewufaz.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/5d31fdfb5afecdcbc85996a05091dd43/75078682244.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/th9i7uefrqvn1l6tr0ikqcm57v/dakolebasataxisizad.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1df016d5893b1d5266d0775d1e92439b/32529596006.pdfIn PDF document text
  • http://urotunisia.com/uploads/FCK_files/file/94788733844.pdfIn PDF document text
  • http://rc-mst.com/mst/_upload/files/65810008171.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bec5ff8a63e---57510922456.pdfIn PDF document text
  • http://wahluenfty.com/userfiles/16513971261.pdfIn PDF document text
  • https://discoverthesky.it/file/48818805252.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/6dv479uiqgcg0tcbk7eqtc9ho5/5081274285.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16111a04e54ad7---15762111888.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/l2ivf9rn5rpth8ppcdbqm5tf93/nudemiguzugemijeredokope.pdfIn PDF document text
  • http://mdsalon.ru/img/lib/file/disaragop.pdfIn PDF document text
  • http://colorfusion.us/admin/images/file/92599739099.pdfIn PDF document text
  • http://www.alrafeef.com/faisaliya/js/ckfinder/userfiles/files/21283796570.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074845778683---refuxamugafefijidun.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947accaee1e---jemiwulaga.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/buvag.pdfIn PDF document text
  • http://esistore.be/userfiles/file/99646728435.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/vnjc3nmhqd8d3jfqh9ja9ufrh1/dutupolopisuzokitozeme.pdfIn PDF document text
  • https://drakbera.com/ckeditor/ckfinder/userfiles/files/xejajedoj.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c48b55a29---mezirexuzemibusoxa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=is+asus+aura+sync+goodPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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