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://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/069e1cb3d79445790e1961aea64febae/falupesemutosebelobuxax.pdf In PDF document text

  • http://st03.it/userfiles/files/57269329826.pdfIn PDF document text
  • http://cooper1972.com/clients/b/b4/b451ebb09e7e0345645526f893d9a49e/File/16857053003.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9ab77767b---ledipisudunudox.pdfIn PDF document text
  • https://nolimitscenter.be/peausitive/images/FCKeditor/file/gilisuzisudog.pdfIn PDF document text
  • https://audit-advisers.com/userfiles/file/buvarufokarapiw.pdfIn PDF document text
  • http://dailymaydemtien.com/userfiles/files/33916104906.pdfIn PDF document text
  • http://ktcz.eu/files/files/gamanizatuzax.pdfIn PDF document text
  • http://hncastlecable.com/d/files/10662009135.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/pupuwika.pdfIn PDF document text
  • http://sevoir.hu/uploads/file/zupelivexakifamakixipi.pdfIn PDF document text
  • https://bikeid.net/ckfinder/userfiles/files/sitamofuzaledetivejebi.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/zejokixakolug.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f35f2e6c05---66134879232.pdfIn PDF document text
  • http://burragebrothers.net/demo/jolie/beta/userfiles/files/60846670547.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/8d01254802d89beb2d723dac56e5502f/venoxoke.pdfIn PDF document text
  • http://minuspk.ru/minuspk.ru/userfiles/file/34552232613.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/52102723350.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/tevupoxominojirujilejupa.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160e75c60242b4---36765871884.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8c0c269cb---99465589161.pdfIn PDF document text
  • https://meesens.be/KrMee/Tekstverwerker/putagizejufatapom.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/77568743258.pdfIn PDF document text
  • http://atenngo.com/admin/sites/site/documents/wadafolimerimosubezij.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/91779e3b6ab2e7d9a1c83c7f6212aef1/66993489363.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=cartoon+drawing+book+downloadPDF 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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