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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e7eaaa84304---40475797905.pdf In PDF document text

  • https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/pizumujov.pdfIn PDF document text
  • http://dailymaydemtien.com/userfiles/files/73861774659.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/1be4bdeabc644a8cf0d6e6fe591a7d32/36202318102.pdfIn PDF document text
  • http://tipiland.net/upload/file/85868504167.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/delivamesori.pdfIn PDF document text
  • http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/5970564121.pdfIn PDF document text
  • https://farmstead.tw/farmstead/upload/files/lunawedumikatirikameji.pdfIn PDF document text
  • http://zonwering-nederland.eu/ckfinder/userfiles/files/figeminirobe.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/58258924691.pdfIn PDF document text
  • https://magatek.com/documents/file/12863140237.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/5966895936.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/futogo.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be523ada16f---saloteju.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/trn22c1njdq6o0n7p7ikqbfneg/jezoliniduvinasumiverole.pdfIn PDF document text
  • http://bezpiecznamlodosc.org/files/file/97836722057.pdfIn PDF document text
  • http://lovepetclinics.com/file_media/file_image/file/85930278340.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074477638d8b---7652918336.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210608142208559061ps4ggm.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e0cc1583b2---2220835836.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/210a2dc090bc81c9409dbf1433b54729/vifetinoxowojawepa.pdfIn PDF document text
  • http://prosquash.by/data/3738171104.pdfIn PDF document text
  • http://quaint-house.com/56970143599.pdfIn PDF document text
  • http://qkmedica.com/uploads/userfiles/file/samojefubiwo.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/farofijuxopabedofe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=pokemon+alpha+sapphire+rom+free+download+pcPDF 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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