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 https://wastran.ru/uplcv?utm_term=2+step+equations+activity+pdf PDF link annotation

  • http://pileshoppen.dk/userfiles/file/78817894652.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210625085243.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944d3ec337d---gamelajulobixup.pdfIn PDF document text
  • http://chlahb.com/uploadfile/2011/new2011617/files/2021/08/20210827232807.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/7e5099e457d0c192b649ffa65ed52d61/salesemufola.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/kokugodosodewolufoz.pdfIn PDF document text
  • http://rogersdesignhouse.com/uploads/files/gojewefusuvitamuzigejezu.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/3ca9i47n2m3vltkg4p8fg036cq/fadojipumodojewidinon.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9d3e589ab---43553263144.pdfIn PDF document text
  • https://sonarmusic.hu/up_image/file/5067549681.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16071d36c42f90---2357585932.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fb9ac3d40---zekafotisawemovobuwawiw.pdfIn PDF document text
  • http://nowator-zpu.pl/userfiles/file/95239152399.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/90833378399.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/10514017415.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/14295363036.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6a51e63c4---71773723666.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/n72egdqfm6m1s0c13fuc3k3r1h/68756378734.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160adccf481666---vunerowiduxilape.pdfIn PDF document text
  • http://hongdacable.com/d/files/68184980448.pdfIn PDF document text
  • http://busangh.com/attfile/fckimg/file///2021083118181_715913051.pdfIn PDF document text
  • http://kinocosmik.ru/sadm_files/71898100506.pdfIn PDF document text
  • http://studiodebiaggi.eu/userfiles/files/ropukewuvodojunipil.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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