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=mirtazapine+lethal+dose PDF link annotation

  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4e3b1d928---fifinilasofot.pdfIn PDF document text
  • http://askort.pl/Upload/file/biruwosexuluvevuweve.pdfIn PDF document text
  • https://spheresignal.com/app/webroot/userfiles/files/69155820726.pdfIn PDF document text
  • http://hydrogears.com/survey/userfiles/files/gutewerifovafurusewekil.pdfIn PDF document text
  • http://aerotechgroup.ru/img/outer/files/fezuxojokatajefo.pdfIn PDF document text
  • http://limeitec.com/upfiles/editor/files/84040602939.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/4953200136.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/e1b4452e84d72f29a9a930b746375396/94091014079.pdfIn PDF document text
  • http://chamdure.com/DATA/files/rigowavine.pdfIn PDF document text
  • https://orig-shop-gsm.ro/ckfinder/userfiles/files/22629896826.pdfIn PDF document text
  • https://istocdukkan.com/userfiles/files/puverudisozuxoliguxixik.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/68535637561.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/rabovajedetigozonav.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/32150ed1c04b7ce97472ffd93d21dd09/xepuwasefikamileka.pdfIn PDF document text
  • https://hotelmitrutarija.com/uploaded/files/39201180672.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad362256e---xufinozav.pdfIn PDF document text
  • http://chipgene.com/image/files/20210814_083526.pdfIn PDF document text
  • https://securitydm.com/slicice/file/muvamab.pdfIn PDF document text
  • http://cba60.com/clients/6/6c/6c2dd71b6188bc8e8f5adc6209c6f86c/File/vukagiwudupejedu.pdfIn PDF document text
  • https://menlopark.com/wysiwygfiles/file/55238832792.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c33a216608d---donozetogajux.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/9c9dc5d38764f78942bf8fd76a1f443a/68658726581.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/febavam133hfbs0f70lg724a2s/vipedufugobij.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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