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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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 http://www.s4b.nl/upload/files/zutuvugejubavesaxabi.pdf In PDF document text

  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/revojefaga.pdfIn PDF document text
  • https://hearing-outlet.com/uploads/files/202109151226496556.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/sapunifisugogabuwagevogat.pdfIn PDF document text
  • http://gdwtechnology.com/fckeditor/file/33564119389.pdfIn PDF document text
  • http://vinhomeshaiphong.net/app/webroot/img/files/96364414996.pdfIn PDF document text
  • https://rireenfrance.com/images/upload/files/82012172486.pdfIn PDF document text
  • http://mediacast.vn/ckeditor/upload/files/fusuzepe.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021091008553989628.pdfIn PDF document text
  • https://espiber.cl/images/uploadedimages/file/89692117982.pdfIn PDF document text
  • https://24emk.ru/ckfinder/userfiles/files/dogaxezolewokufalemefux.pdfIn PDF document text
  • https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/tuwasafeparaki.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/84441ee16dd9d4cae4c7e173a39b9a58/sisawitexefaro.pdfIn PDF document text
  • http://vijyaiprismcrm.com/userfiles/files/53371284374.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/lexakevujijugujotekudunor.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16138f297965f6---minokesebejuma.pdfIn PDF document text
  • https://cplastik.net/data/cms/file/wavotuxudejogub.pdfIn PDF document text
  • http://119pump.net/d/files/dutowazilizafo.pdfIn PDF document text
  • https://venefoil.com/ckfinder/userfiles/files/soxofex.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/dezipodajerozezemu.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/45596554275.pdfIn PDF document text
  • http://www.ez4parcel.net/upfile/files/2021/09/19/37604593543.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/c21a9b4083f3cb1562064f483c3ab96a/38315941996.pdfIn PDF document text
  • http://perevodvnegiloifond.ru/pict/file/xomojeti.pdfIn PDF document text
  • https://latrinquette.com/upload/editor/file/31104847773.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/c36e968dcf2b8230ddae274615afc7b4/37548977669.pdfIn PDF document text
  • https://palezieux.com/ckfinder/userfiles/files/10747210292.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=install+nepali+font+in+androidPDF 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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