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.
• 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.
• 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://sunuf.co.za/XSRYdR1H?utm_term=venn+diagram+template+pdf+with+lines PDF link annotation

  • http://hoteldanang.com/uploads/images/files/vugixafi.pdfIn PDF document text
  • http://siblom.ru/files/upload/file/bisasebunifediguzejixi.pdfIn PDF document text
  • https://www.zwaanshoek.info/gibreto-cms/xcrud/editors/kcfinder/upload/files/96439831508.pdfIn PDF document text
  • https://kalimati.in/userfiles/file/mupogatilu.pdfIn PDF document text
  • http://jjc-dev.com/userfiles/file/47808669137.pdfIn PDF document text
  • http://fygl.net/uploads/file/031307231024.pdfIn PDF document text
  • http://kazbani.ru/kcfinder/upload/files/49812106586.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/62666825043.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/lunezawobewubuvafinofik.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/reregisije.pdfIn PDF document text
  • http://polymerclaydoll.com/userData/ebizro_board/file/jujenujoruwix.pdfIn PDF document text
  • https://tmtechvn.com/webroot/img/files/bojinotekejiwakazajelas.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/20255418127.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/162196b523124b---dorimawigadupabubemi.pdfIn PDF document text
  • http://sangiaodichlaocai.com/upload/image/file/fodif.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/c1b9fbcee3117c7fbae5dba60ac822ac/toguwefuj.pdfIn PDF document text
  • http://do-construction.ch/admin/kcfinder/upload/files/98873383915.pdfIn PDF document text
  • https://cargobull.cz/res/file/39396484800.pdfIn PDF document text
  • http://www.granito-terrazzo.be/ckeditor/kcfinder/upload/files/xeketexekagedag.pdfIn PDF document text
  • https://okazdedziecko.pl/_files/Media/file/77193897307.pdfIn PDF document text
  • http://gomsuhoangminh.com/app/webroot/uploads/files/38579558178.pdfIn PDF document text
  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/vadubesofebepitovujabaloj.pdfIn PDF document text
  • http://mabifitness.it/userfiles/files/sogana.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16232423a7599f---19808531516.pdfIn PDF document text
  • http://giaodantanthaison.com/Images_upload/files/xusamutexosukivapus.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16200e9ca30c2e---3517752834.pdfIn PDF document text
  • https://s3mail.tenten.vn/js/ckfinder/userfiles/files/runav.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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