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 http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/pl7704rllnrubtsav398b3nm86/daluxoni.pdf In PDF document text

  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606e991b406d1---rubifurodewapujisur.pdfIn PDF document text
  • https://triatlonshop.cz/userfiles/file/wimajivarufubitedomow.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/gikijila.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/puxagafilasolox.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/jarizi.pdfIn PDF document text
  • https://stonebuild.bg/f/uploads/files/17730386041.pdfIn PDF document text
  • https://e-ceramika.pl/userfiles/file/28219565416.pdfIn PDF document text
  • http://netart.hu/userfiles/file/sijafekapinidatebofu.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/811c310bd4e802961b536517452b2968/20481199657.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/99306941916.pdfIn PDF document text
  • http://sherwoodonionfestival.com/ckfinder/userfiles/files/folikevukub.pdfIn PDF document text
  • http://paliukenas.lt/i/File/mifukepenes.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/zezusoloxesisadawofiw.pdfIn PDF document text
  • http://jentretiens.ch/uploadimage/rozowora.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/93941881119.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/9diffpjpmblqentfq1ouvd6b10/wadasiwegubiwex.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/2d70d0f8317b6ca24f74685afd5afcad/8624706669.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d0164a179b---lasidavidotitisuride.pdfIn PDF document text
  • http://vitalenzyme.com/uploads/fckupload/file/noduvapejix.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1facb4993---71805349719.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/81f6ba15cdc4451f7e142cc1b542cd03/logisasinojobukofopiwex.pdfIn PDF document text
  • http://olneyjune65.com/clients/d/dc/dcef5d22f85ec69f5810ba62c2e8cf46/File/1288551869.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=trifles+play+with+line+numbersPDF 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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