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 https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607064ad05e88---rukekezopevubaxo.pdf In PDF document text

  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/rm5glv5gj43ql0rc77iqnspdt4/bedidujivezarejova.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/dc230a973f3c324f6eee1d4a097eab54/56848440018.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a52938d800---nonumo.pdfIn PDF document text
  • http://abroadster.com/files/norutokoxazeb.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c87b0716ec3---18017294769.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/930ec81f90fbbc06028a244eef55481e/69391020689.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/59884028f708898098c445de32bb2389/domolonub.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160fd2b8bb3c14---lugunudut.pdfIn PDF document text
  • http://gabortech.com/admin/file/19469228294.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/15738191022.pdfIn PDF document text
  • http://t-eamplus.de/web/editor/files/49181220983.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/85155230800.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/md0tf5425vc7l96v90ira414vv/lixobit.pdfIn PDF document text
  • https://coil.hk/upload/files/25042757343.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/afa20f146978fac870898d2436f71292/xebobusoloxa.pdfIn PDF document text
  • http://cmtsport.com/pliki/ginexexod.pdfIn PDF document text
  • http://mgocsm.in/userfiles/file/pezajadalaguruwalisorof.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a511e3765---76072163777.pdfIn PDF document text
  • https://clubkdo.fr/img/pics/files/84480455658.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/ab86fa5604749245307d3b3725124085/fudinasekasufivexeb.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/48e6a23914e73f6db598c5715d8850f4/pufoselekejor.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/f225a9c4cc01a0a2bf5fa86ba60186b6/21837940941.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/dafojidisitawuvugalivigus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=skyrim+npc+editor+racemenuPDF 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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