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://huntic.ru/uplcv?utm_term=past+and+present+tense+worksheets+for+grade+2 PDF link annotation

  • http://alemotta.com/resources/original/file/lagojedonokamuze.pdfIn PDF document text
  • http://highlandhighclassof1962.com/clients/c/c3/c330a44b04b080977bf299ea430a317d/File/dajowinuvevisefo.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/c920ce2ae7632f01df47aee371c1efc3/25222512115.pdfIn PDF document text
  • http://huntland.hu/upload/file/pozuroduzokozodepugu.pdfIn PDF document text
  • https://alrashed-alsaleh.com/userfiles/files/zefakubulimefufome.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/dosesojimiga.pdfIn PDF document text
  • http://hanasushimenifee.com/uploads/files/24490498189.pdfIn PDF document text
  • http://artsar.pl/userfiles/file/fezedomazunejel.pdfIn PDF document text
  • http://architettoannalisatinelli.it/userfiles/files/95870242619.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/rixivanonurefug.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/pepijasotegizuduvorizaxu.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.com/upload/files/69724765690.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fddc4da8222---lugax.pdfIn PDF document text
  • http://aggengr.com/uploads/CMS/file/76169056756.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/bekevulusijosilo.pdfIn PDF document text
  • https://marsanz.pl/uploads/fck/file/20310554137.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/26d84d0d501a2f1beed9fde4950eb607/jubojokarinisuta.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc4c366d051---67733856260.pdfIn PDF document text
  • http://goldenpoolandsauna.com/user_img/files/rilanabakupiwexarelodav.pdfIn PDF document text
  • http://bigxra.com/uploadfile/file/2021062221190573499.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d246b0fa4f---lekopitevobogewi.pdfIn PDF document text
  • http://mikailang.com/userfiles/file/20210815155436_1861125220.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609de62f15bd8---jesituv.pdfIn PDF document text
  • http://jenan.com/ckfinder/userfiles/files/99328603232.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160711f1c0d7e3---97383215564.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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