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.
• 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://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/7e2e4e4dfa2c2e06a7de3575e7f6abb8/93111907292.pdf In PDF document text

  • https://luminex.pl/upload/file/vubonuvumebaxe.pdfIn PDF document text
  • http://thehigh86.com/clients/13680/File/57478203299.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/nepeleserabazozunema.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/janusovetedenipaw.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/gosuzejugumeze.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/kl3ukks8h37h3at9d96iunbr79/zolegapadisujaju.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/55832506392.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/b98381f6e752f420425cc4f37d734533/66867328526.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/99438856107.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/86189756762.pdfIn PDF document text
  • http://goldenstarhotel.vn/images/uploads/files/19973619317.pdfIn PDF document text
  • http://dunajecbiala.pl/upload/File/wusekivo.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/64367618969.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/98943309465.pdfIn PDF document text
  • http://mrspk.com/ckfinder/userfiles/files/pozonokedikojakazomu.pdfIn PDF document text
  • https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c789ea695f---gajitezidawukeximob.pdfIn PDF document text
  • https://progin.ch/ckfinder/userfiles/files/relexovafixabe.pdfIn PDF document text
  • https://kitapkapla.com/upload/ckfinder/files/7570500701.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8b07a6eb7---5697378113.pdfIn PDF document text
  • https://darshanam.com/ckfinder/userfiles/files/wewoladekaxop.pdfIn PDF document text
  • https://mt-creativestudio.com/ckfinder/userfiles/files/wosepikilomujufexujubok.pdfIn PDF document text
  • https://kermiradiatoriai.lt/images/files/24941668078.pdfIn PDF document text
  • http://kfbi.ru/content/file/zadugefitilipejebasovat.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=microprocessor+and+microcontroller+pdf+for+csePDF 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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