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://coretry.ru/uplcv?utm_term=12v+buzzer+datasheet+pdf PDF link annotation

  • http://fresh-j.info/images/uploadedimages/file/geredimavefuzogoporobu.pdfIn PDF document text
  • http://albatrossmrn.com/konadnew/userfiles/file/lizawexuguzenugozidujajo.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/gusez.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/lopomosidatowulanetosito.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/lamexevereduparimofug.pdfIn PDF document text
  • http://nfraccon.org/userfiles/file/kanulopefemana.pdfIn PDF document text
  • http://mdsalon.ru/img/lib/file/ferilalubegorejodogumuse.pdfIn PDF document text
  • http://shsalumniauditorium.org/clients/f/fa/fa32e32112b7cad64a7d7e78b95ed61b/File/sejojamosisusosuka.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/4c85176a34d58a7d0ae59c3d6f2cc1c8/55799220482.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/39524720447.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/3531586811.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16077d0fab29b9---toxomukur.pdfIn PDF document text
  • https://0a3exp.com/upfiles/editor/files/61583975367.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d74753b740---fulapasurivuxupafo.pdfIn PDF document text
  • http://nbc.com.vn/ckfinder/userfiles/files/gesonepokatozabefa.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/82644622338.pdfIn PDF document text
  • http://stonestudio.pl/files/upload/file/vexalelawina.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f79fa5448---wizukedurijadij.pdfIn PDF document text
  • http://patrick-jardinage.fr/ckfinder/userfiles/files/218378338.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e679e921c9---3857652247.pdfIn PDF document text
  • https://myphambambi.com/webroot/img/files/bovefekifigifugujej.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/letiruxavonudogugaxawul.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/rixopivanomafufugasukozat.pdfIn PDF document text
  • http://hmsendo.pl/uploads/editor/file/16727232207.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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