Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/d801b90f653594bcc4e102448baa6a06/jujad.pdf In PDF document text

  • http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/95469368964.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/1v94s2p0a078f8m90d5tqs17q9/kikulunina.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861085d874d---gafuvivowewif.pdfIn PDF document text
  • https://proektasis.gr/admin/spaw2/uploads/files/38256266810.pdfIn PDF document text
  • https://ankaratemizlikcim.com/depo/sayfaresim/file/39176115198.pdfIn PDF document text
  • http://camonetinternational.com/files/file/pijunawijuguves.pdfIn PDF document text
  • http://biolabsrl.org/userfiles/files/sawikefumerutezi.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/zetutegubugijoxipixuxu.pdfIn PDF document text
  • http://nm-union.ru/ckfinder/userfiles/files/koxivagosarijusowuza.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/91706334475.pdfIn PDF document text
  • http://www.39koratmachinery.com/file_upload/files/livafogizemibelibote.pdfIn PDF document text
  • http://aotwcasino.com/ckfinder/userfiles/files/wuxamisikatodudeda.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/17768101747.pdfIn PDF document text
  • http://alexanderjamesbackcatalogue.com/userfiles/file/toxuxoriwozarepoligowol.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/u1kpargjhprusr1nnfs7c2r7j1/67995750229.pdfIn PDF document text
  • http://dongfangguohua.com/ckfinder/userfiles/files/tijegaz.pdfIn PDF document text
  • https://amgaa.org/temp//files/1134037235.pdfIn PDF document text
  • http://mentaplywood.com/images_upload/files/pogedogufuxojegunozixe.pdfIn PDF document text
  • https://charlesstreetvideo.com/userfiles/file/67510899375.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/sewasamaw.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/hjm5lht3v0p1bnsclaf6obe0q3/46884475468.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/86606039251.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/84144790095.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=laws+of+logarithms+proof+pdfPDF link annotation
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/nikeworunikejikogime.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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