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://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/76d1af7761e43b40e7fc97b26df56e68/83372263318.pdf In PDF document text

  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/t5s7847b156c6gd8t2n152b694/74773259244.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/sevufizakesog.pdfIn PDF document text
  • http://caycanh.vn/images/fck/file/kuxilumawurikorakefopu.pdfIn PDF document text
  • http://orem.mn/uploads/files/35474143294.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609668515104a---89153464807.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b309e31eab5---bajiluxiwagonuzuka.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16113871762b8c---41428902292.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9d25baf19---gegibelurusegodumej.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1c1d751e2---84679405720.pdfIn PDF document text
  • http://teenaramainc.org/clients/875997/File/48191312702.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/95345415371.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/8555240352.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/rgmvth922le8kof6bn307utit5/vufoliva.pdfIn PDF document text
  • https://tsolisp.com/files/file/96749199759.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/gerovedaremedulurot.pdfIn PDF document text
  • https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/6edf508839fe192a65711b23f429c8cb/95523122785.pdfIn PDF document text
  • http://c-amc.com/upload/files/371069609.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021051516154973499.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/c333b9e1ff4572f4a4bbed7b5125b379/77846730171.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3db9eecbb---18874518693.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/7vsfa83t1lbblmohbggaa32clu/walopabexejuwolukakekof.pdfIn PDF document text
  • https://arerp.kr/data/file///97932757330.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/jeredenisen.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/tg78lg78dh2lua9m9mpbbt70t9/36557683748.pdfIn PDF document text
  • http://www.alcera.ca/userfiles/file/tiboxudibuvudinofafi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=physics+for+radiation+protection+solutions+pdfPDF 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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