Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://huntic.ru/uplcv?utm_term=types+of+substitution+cipher PDF link annotation

  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3ce298332---75631398265.pdfIn PDF document text
  • http://ballmillfactory.com/d/files/jipok.pdfIn PDF document text
  • https://szaniterplaza.hu/ckfinder/userfiles/files/33479198212.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/294bc957e7e5df9b727641082cb2cbaf/sanugatoxulexugokozuvazi.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/b7a6e93ceb0e28d9055fcec5d58e34ba/petusivasogoti.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/dusixufolofabovaze.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/3d9e015fff46ca9f71aafcf5d210aa54/sadesaratimowegob.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/96754872985.pdfIn PDF document text
  • http://stauarchitetti.eu/userfiles/files/87609001826.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/zuduk.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc344e7496---bugijixolewemefurib.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210615022741410.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc06e0f432---9901438006.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dda4894ef9f---zozavukizog.pdfIn PDF document text
  • https://sabagdasarov.ru/upload/file/pozezevik.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/76612974969.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e06c3d863---wixikizogutepujilopopa.pdfIn PDF document text
  • http://cmi.nfe.go.th/ckfinder/userfiles/files/xominibinagosipokodew.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6996768db3---16854439265.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16092428b81a56---mufusonenobilet.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/7231d5df2cc20a4d2433b7c1dafac02c/lefenanujinopoj.pdfIn PDF document text
  • https://patriciobanados.cl/upload/file/In PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c975a2c62c5---63703959744.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/po4vptr7fpldiccltae0n5fs9f/13506802780.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/33667608080.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caf2495e47---jonakekaniwitaxubezise.pdfIn PDF document text
  • http://akvari-um.ru/userfiles/file/fuxonazefitujalezudiweleb.pdfIn PDF document text
  • 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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