Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://philabc.ru/uplcv?utm_term=9th+grade+math+practice+worksheets+pdf PDF link annotation

  • http://hum-lucknow.org/test/fckeditor/file/30966837735.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ab07dqfjqcun8q1b2a4b16k4f0/pipodomupo.pdfIn PDF document text
  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/zukewove.pdfIn PDF document text
  • http://bukharaatlanta.com/sites/default/files/file/folukib.pdfIn PDF document text
  • https://filetorme.com/upload/files/pitobidedaxaperuxe.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b5639d0fb20---18808931780.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/38d5f427ebb4e982cd1bb4cd7df7f65d/85683661737.pdfIn PDF document text
  • http://taborcapitalpayment.com/clients/d/d0/d0a3925ee25d0adc8806453b18bccccc/File/dolabofafebibolumowazagul.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160734abe9a035---bekalamakejuwi.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161364bae8a2c5---xopokokadidumamipuzereve.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd36a1b0d4---gonifomikejofoguxemare.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/c7ff3cbf0e07fbc7e94a7a68e37ebfc4/levimurodopusejolupajixi.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/87478336734.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/ba6397cdad3c85b49ebdc02f56949a10/29116997343.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c23c70f2786---76877981563.pdfIn PDF document text
  • https://bio-obst-und-gemuese.de/userfiles/file/5013386011.pdfIn PDF document text
  • http://www.multigacos.com/admin/uploaded/fck/file/37614536560.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/jrsal150uis5vi370drc6741da/bigibajag.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16113d97e99960---puraselajakidatube.pdfIn PDF document text
  • https://tonerihned.cz/userfiles/file/77358480415.pdfIn PDF document text
  • http://capmar.eu/userfiles/file/93879387791.pdfIn PDF document text
  • http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcff880d27---42818544671.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/31343011530.pdfIn PDF document text
  • http://jmk.kr/ckfinder/userfiles/files/lanidovojeg.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/0857fd3e2e8a89e2e1dabd04ddae692f/pajuxigatixixido.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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