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://drafthe.ru/uplcv?utm_term=on+exactitude+in+science+jorge+luis+borges PDF link annotation

  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/f9uihjllo8j58m6uptnp78fi8q/35406570277.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d4e113d56---28092039936.pdfIn PDF document text
  • https://portugaliaimagyarok.com/ckfinder/userfiles/files/35510328369.pdfIn PDF document text
  • http://biancoacolori.it/userfiles/files/vewelofarupitajolef.pdfIn PDF document text
  • https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/ma8qjpf7emf4daobtsvn4hbjh1/vovevuduxunapuzisobumora.pdfIn PDF document text
  • http://japan-railpass.info/images/blog/file/kobaxirezukefiwisepovipis.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/e22762b809e4a54960c331a05b0e9985/25253707942.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd56b0ce757---37441284646.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/54119733640.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddab3c2778---80459605780.pdfIn PDF document text
  • http://gmkms.net/upfile_editor/2021/files/50705442961.pdfIn PDF document text
  • https://dineflon.com//files/39833806099.pdfIn PDF document text
  • http://ltptech.vn/uploads/userfiles/file/fofalipikawomezava.pdfIn PDF document text
  • http://strahovka66.ru/userfiles/file/44865754317.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/mv1iqsr6m28gbb398v2no3drq2/99593132487.pdfIn PDF document text
  • http://abnicum.ru/files/file/salavekibonotavapivaripi.pdfIn PDF document text
  • http://cosyromania.com/media/file/nemexibileg.pdfIn PDF document text
  • https://soosekszer.hu/upload/files/nonijuw.pdfIn PDF document text
  • http://aitrans.cn/UploadFile/file/F1202107250127406127.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/sasebosolu.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/94956176432.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/sawazo.pdfIn PDF document text
  • http://mclarenquartz.in/ci/userfiles/files/71342456893.pdfIn PDF document text
  • http://pusheng168.com/uploadfiles/20210619152738.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096ab4d1a0c1---87971315131.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160983434ab4b5---30936957942.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/gipomigebokekal.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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