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://synerhu.ru/uplcv?utm_term=cinema+app+for+android PDF link annotation

  • https://onderdurdu.com/upload/ckfinder/files/jurijiturogakanoze.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/zixamivitevexobud.pdfIn PDF document text
  • http://quiltingacademy.net/fckeditor/userfiles/file/lewemed.pdfIn PDF document text
  • https://ra7a7p-h3ba7.com/contents/files/9810833527.pdfIn PDF document text
  • http://doctour.hu/uploads/ckfinder/userfiles/files/12465456860.pdfIn PDF document text
  • https://successstudio.net/userfiles/file/nafoluzas.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/54705424300.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/57710682942.pdfIn PDF document text
  • https://lideregitimpaketleri.com/calisma2/files/uploads/zudaredewakune.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///11829170754.pdfIn PDF document text
  • https://villadorottya.hu/uploads/frontend/files/30094349436.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/94363240850.pdfIn PDF document text
  • http://sakurahoaanhdao.com/webroot/img/files/zadejimatisis.pdfIn PDF document text
  • https://tskrea.com/userfiles/file/89229356963.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/5ptolppb2qq7ifse475v3ha1nm/25003357854.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/e114055cb529e309822817a40358cef4/kinoruluzekewibajobuzura.pdfIn PDF document text
  • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/20071330304.pdfIn PDF document text
  • http://autolubitel-irk.ru/userfiles/file/kitijukuvazojejixa.pdfIn PDF document text
  • http://netmutum.com/userfiles/file/xoxijimolozarobu.pdfIn PDF document text
  • http://clubselectionvoyages.net/images/file/76536482217.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea64b85f33---guruzamulejigokedexotum.pdfIn PDF document text
  • http://renknh.com/ckupload/files/25427503251.pdfIn PDF document text
  • http://obras.ru/sites/default/files/uploads/62936204952.pdfIn PDF document text
  • http://silver.jo/ckfinder/blanc/files/14341993029.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/20abd49b439b97c8cf969c5ea4fc2184/19944503202.pdfIn PDF document text
  • http://mutitar.com/user_img/files/18890779617.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/88336323251.pdfIn PDF document text
  • http://khocabien.com/uploads/files/xirunokiduruvedev.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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