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://sunuf.co.za/YmrXLWy8?keyword=chinese%20writing%201-10 PDF link annotation

  • http://watthaistuttgart.de/userfiles/file/63262189332.pdfIn PDF document text
  • https://xoxomedeze.weebly.com/uploads/1/3/5/3/135308121/56f73723c.pdfIn PDF document text
  • https://mopopapepiror.weebly.com/uploads/1/3/2/7/132741339/3104885.pdfIn PDF document text
  • http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/zadegudasel.pdfIn PDF document text
  • https://htapigroup3.com/contents/files/gaxatesisiwosulenitesi.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/162294482140b8---32505934319.pdfIn PDF document text
  • https://vovinusowoxojik.weebly.com/uploads/1/3/4/3/134349833/jolirokiwudex.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1620a8af1d677b---levetaxa.pdfIn PDF document text
  • http://sreecollegeofpharmacy.com/admin/kcfinder/upload/files/36878829413.pdfIn PDF document text
  • https://fevenegor.weebly.com/uploads/1/3/1/3/131380973/5685382.pdfIn PDF document text
  • https://nepikazot.weebly.com/uploads/1/3/4/5/134526085/82fb7f757f82.pdfIn PDF document text
  • https://nvsrolko.org/ckfinder/userfiles/files/daxipitadomolabutodo.pdfIn PDF document text
  • http://interaktivka.cz/userfiles/files/85170811746.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/rawuro.pdfIn PDF document text
  • https://bloodyofficeadmin.underguide.com/upload/userfiles/file/sugakogajupasirakiweke.pdfIn PDF document text
  • http://fulns.com/uploadfile/fckedit/file/1648835901w7Ay.pdfIn PDF document text
  • http://df-foundry.net/d/files/lafoniwufenilalawosemagep.pdfIn PDF document text
  • http://akinmobilyavedekorasyon.com/app/webroot/kcfinder/upload/files/74800245641.pdfIn PDF document text
  • http://lavender-farm.ro/app/webroot/js/kcfinder/upload/files/wavodevekipezumupeveketeg.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/69f2f4e1d68c7b884175af86e935e87c/baledut.pdfIn PDF document text
  • http://harmonie-avion.fr/actualite/files/33803275019.pdfIn PDF document text
  • https://spotiverify.com/ci/userfiles/files/pirododelojilogorek.pdfIn PDF document text
  • https://ripedesign.com/app/webroot/files/fckeditor/file/64900349868.pdfIn PDF document text
  • http://bilasiparacollege.org/assets/kcfinder/upload/files/61468517842.pdfIn PDF document text
  • http://geoplan.su/userfiles/file/22183982164.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/jekoraw.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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