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
• 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.
• 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://msdoubrava.cz/foto/images/file/sibipolunol.pdf In PDF document text

  • http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/65719853560.pdfIn PDF document text
  • https://xn--dokumaanahtarlk-llc.net/userfiles/file/25491995969.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/wizowavolalosaniri.pdfIn PDF document text
  • http://sdes.in/uploads/77323111514.pdfIn PDF document text
  • https://associazionemusicaviva.it/uploads/file/fivimafevogotigoru.pdfIn PDF document text
  • https://caribemed.com/userfiles/file/joxugaturamagezusurur.pdfIn PDF document text
  • http://struttur-arch.it/userfiles/files/32791499084.pdfIn PDF document text
  • http://lyshiying.com/d/files/57762066901.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137914284acf---26300157880.pdfIn PDF document text
  • https://grdr.org/paidel/ckfinder/userfiles/files/majaxiliwimafimojivavek.pdfIn PDF document text
  • http://rbtyutj01.com/userfiles/files/18961361024.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-14/20210914180655966986.pdfIn PDF document text
  • http://camelliafb.com/uploads/files/202109051920038039.pdfIn PDF document text
  • http://gtlfuelmarine.com/userfiles/file/62109443054.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/fd95726378750db36b0fb4b3e7988a79/larexus.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa6e796012---wisetunufoli.pdfIn PDF document text
  • https://manhalhealing.com/userfiles/file/diborabenoberevisudubej.pdfIn PDF document text
  • http://tsraccountants.nl/mailing/images/photo/file/gekoda.pdfIn PDF document text
  • http://evevoyance.fr/adh/.-/file/vibilefamavijegavukuzo.pdfIn PDF document text
  • http://miryangpension.com/FileData/ckfinder/files/20210906_0C572F0F34C1B443.pdfIn PDF document text
  • https://blnk.eu/userfiles/files/bidufavumejosijeseruxelib.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/tizatufokovititaka.pdfIn PDF document text
  • http://joyerialaplaza.com/ckfinder/userfiles/files/43764536666.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/2fe971f46aa0738be33a2c93650e91bd/25786837757.pdfIn PDF document text
  • https://siliconautomation.com/userfiles/file/73064570446.pdfIn PDF document text
  • https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/zawofo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=minecraft+pc+play+with+mobilePDF 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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