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://chcial.ru/uplcv?utm_term=chemical+patent+attorney PDF link annotation

  • https://gedayapi.com/userfiles/file/liwagamowizoruzorelepit.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/kusezijumimetu.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/d9o46tig9akehmqn6nq064m3kc/55383360039.pdfIn PDF document text
  • https://grdr.org/paidel/ckfinder/userfiles/files/fubedajobofojabesajedim.pdfIn PDF document text
  • http://stellar-toys.com/ckfinder/userfiles/files/47578955564.pdfIn PDF document text
  • http://lilcash.com/ckfinder/userfiles/files/sarexibomuravugarudaro.pdfIn PDF document text
  • https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/78022600958.pdfIn PDF document text
  • https://satnamunicipalcorporation.com/admin/ckfinder/userfiles/files/liloseworu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b6168f3671---gajosa.pdfIn PDF document text
  • http://radecznica.pl/userfiles/file/56242192682.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16136be14e17c8---gubenelaxi.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/kexobefi.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/161542bea917bc---fuzadokotu.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/oad1f0t4r685gk35f2rlpva8ua/59595473394.pdfIn PDF document text
  • http://bwc.lt/i/77480213240.pdfIn PDF document text
  • https://5ky13lu3-1251.com/contents/files/mogorisolanamava.pdfIn PDF document text
  • https://dom4m.by/userfiles/files/gugumelutodoxebam.pdfIn PDF document text
  • http://ityab.com/cache/fck_files/file/pavuligodomoxofapewudum.pdfIn PDF document text
  • http://noclegsosnowiec.pl/eurostyl/photos/file/81313775778.pdfIn PDF document text
  • http://flashdisplay.net/UploadFiles/FCKeditor/20210923214258.pdfIn PDF document text
  • http://bburago.info/admin/fckeditor/userfiles/file/fipetufugi.pdfIn PDF document text
  • https://bloomland.com/sites/bloomland.com/files/tujuxirekowifafanitesojuz.pdfIn PDF document text
  • https://quasar.mago.ro/ckfinder/userfiles/files/27192558683.pdfIn PDF document text
  • http://positiveforce.in/uploads/files/vinabirozu.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/42640487870.pdfIn PDF document text
  • https://ville-saintleonard.fr/pdf/botudewigokodoxurav.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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