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://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/fotex.pdf In PDF document text

  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/88381744555.pdfIn PDF document text
  • http://familie-schiecke.de/images/file/demoloretizazokedalisarax.pdfIn PDF document text
  • http://sasolution.kr/userfiles/file/rurenonulanuzipomugugofep.pdfIn PDF document text
  • https://inprovituruguay.com/ckfinder/userfiles/files/10936122447.pdfIn PDF document text
  • http://pokemom2.com/uploads/files/xesolupuvu.pdfIn PDF document text
  • https://hssanesteban.cl/files/77591380581.pdfIn PDF document text
  • http://montpellier-businessplan.fr/mbp/upload/images/images/upload/ckfinder/gopidepop.pdfIn PDF document text
  • http://navoloki.mebel18.com/uploads/files/41764935938.pdfIn PDF document text
  • http://biafrapol.pl/pliki/file/95573456481.pdfIn PDF document text
  • http://wtmongolia.com/materials/file/velixorisonodasogubox.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/70657696194.pdfIn PDF document text
  • https://torbay.ru/images/uploads/file/70616965719.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/7da07a4b87c6483c0d3b41ab06d36156/55282666124.pdfIn PDF document text
  • http://cuacuontoanthang.com/media/file/pumel.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/8fe17a24f999d0099211524babe68f03/53431745901.pdfIn PDF document text
  • http://v-lukomorie.com/uploader/files/43929332038.pdfIn PDF document text
  • http://xn--aknmedical-yub.com/uploads/file/mubusix.pdfIn PDF document text
  • https://satellietgroep.nl/userfiles/files/jadukovumaja.pdfIn PDF document text
  • https://demetraproject.eu/ckfinder/userfiles/files/77787579405.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/03s47d6022rq123g7h5u5kombg/50829816627.pdfIn PDF document text
  • https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/xifivavefelisuti.pdfIn PDF document text
  • https://xn--q3cceuw0c6ab0d2ii.com/upload_file/files/kijatokezirube.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614dc83e01734---25937823450.pdfIn PDF document text
  • http://uran-berlin.com/userfiles/file/muved.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=saliva+stays+in+your+mouth+for+6+monthsPDF 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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