Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=antivirus+android+apk PDF link annotation

  • http://otestmanager.com/club/data/userfiles/file/20210902225059.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/355d47263edb7781c555a9d19a81112a/xufogovoruxubugavepowe.pdfIn PDF document text
  • http://mya1fc.com/files/ckuploads/files/zipawozisasiwomejutegez.pdfIn PDF document text
  • http://henzefashion.com/userfiles/file/67210757634.pdfIn PDF document text
  • http://pn-tech.net/userData/board/file/89742803219.pdfIn PDF document text
  • http://locke-3c.tw/uploads/files/202109021536182643.pdfIn PDF document text
  • http://burchiellati.com/file_fck/file/juguwupozewudeza.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/rikos.pdfIn PDF document text
  • https://himalayanespresso.com/espresso_ckfinder/userfiles/files/15669038302.pdfIn PDF document text
  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/17078372146.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134370058f3c---48343991756.pdfIn PDF document text
  • https://ghadir-eng.com/userfiles/files/bifisano.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/613b1134cebf17aa34b007bd91b7cd3a/69523944112.pdfIn PDF document text
  • http://ketphatthinh.vn/upload/files/fikeriwupidudusalukivarol.pdfIn PDF document text
  • https://walkandsmile.com/userfiles/file/pokujeresired.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/9i7pat7i0qrnhs30hn7ogje182/murowopogibe.pdfIn PDF document text
  • http://sunpix.ru/img/lib/file/41412168125.pdfIn PDF document text
  • http://vimar.ua/userfiles/files/gidikusamaxo.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/b7a9fdcc166a99fe69210bb149c9f8e9/44024783299.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/11509297700.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16133bf900538f---sasejipixorebukupaz.pdfIn PDF document text
  • http://adria-ex.com/images/blog/file/juromarax.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f0613ab65---godenokanuz.pdfIn PDF document text
  • https://szabobuszrendeles.hu/files/files/toxikujaku.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/xanisolixuwovatubotit.pdfIn PDF document text
  • http://thermogroup.ru/uploads/files/kirulew.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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