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://allytemp.ru/uplcv?utm_term=re4+for+android PDF link annotation

  • http://sosnovgeo.ru/userfiles/file/vojejezobuxedunerevisozaw.pdfIn PDF document text
  • http://pcccmiennam.com/media/ftp/file/gipefiga.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/6ac66250440f11483c599657bf4614c5/vixivem.pdfIn PDF document text
  • http://fulns.com/uploadfile/fckedit/file/1631166916HgGh.pdfIn PDF document text
  • http://3gr-group-com.gbintl.com/ci/userfiles/files/28539236744.pdfIn PDF document text
  • http://cameradungphat.com/uploads/files/budite.pdfIn PDF document text
  • http://studiotecnicobergamaschi.it/userfiles/files/koditotewejumobedubitono.pdfIn PDF document text
  • https://santa.my/images/users/00000000/files/42893301880.pdfIn PDF document text
  • https://istanajpdua.com/contents/files/ruvoxerunupixi.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/wilib.pdfIn PDF document text
  • https://raiporjai.com/piceditor/file/73549918864.pdfIn PDF document text
  • https://esportenerd.com/app/webroot/ckfinder/userfiles/files/fefabisupago.pdfIn PDF document text
  • http://newbusan.net/FileData/ckfinder/files/20210917_047DCA6A6E2CFE6F.pdfIn PDF document text
  • http://svatba-emi.com/uploads/pages/files/82706304883.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/49338321522.pdfIn PDF document text
  • http://jmk.kr/ckfinder/userfiles/files/purewimesijuxediper.pdfIn PDF document text
  • https://birutelorasin.com/contents/files/72539392620.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/0c72ee9667930a24f22191f085be3333/vetazoxawibabobufum.pdfIn PDF document text
  • http://ristoranteyuri2.com/userfiles/file/kexuridesewinoxegitoge.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/1094695342.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/68764578480.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/75ef0a650b6acc34c14f0060c787fc32/bajegudusokofemomux.pdfIn PDF document text
  • https://study-abroad-travel.com/ckfinder/userfiles/file/lavediw.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/68398570639.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/80482566120.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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