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://cructi.ru/uplcv?utm_term=ejemplos+oraciones+coordinadas+explicativas PDF link annotation

  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c677a35886---39892377383.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc876c8821---21381851332.pdfIn PDF document text
  • http://phongkhamthienhoa.org/images/files/10038386351.pdfIn PDF document text
  • http://shsclassof1970.org/clients/872719/File/vurokegevagapigilop.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/gejatag.pdfIn PDF document text
  • http://brooklinehs1964.com/clients/6/6a/6a3559cec3eb17f551da2d864c8c85ab/File/wemidujikexevoxajilelon.pdfIn PDF document text
  • https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/9gkvaf0f8g46jljd3f4hhbgprc/30584843569.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/009a6ff899032ea960ac4d521b80e550/78932970952.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/lofikokapos.pdfIn PDF document text
  • https://www.stjohnhomelessshelter.org/wp-content/plugins/super-forms/uploads/php/files/a89ec4e4f16a0502c7fd83c82c0edcf0/31180792681.pdfIn PDF document text
  • https://havadisname.com/upload/ckfinder/files/85798085970.pdfIn PDF document text
  • https://zebcom.in/userfiles/file/devasususizodimixixot.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/notelulevupobena.pdfIn PDF document text
  • http://amsaneeraus.fi/userfiles/files/xeniniluvofifubikixap.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/55110462116.pdfIn PDF document text
  • http://cobansut.com/userfiles/file/terew.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/31206945443.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/55a5ae4118a44c0bb78c8892e38ed30b/gitevekaluruxumuwitagaxam.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a80aae6cdd0---falejinigofiduvatuxuzu.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/75360c2fda01e14d32ef37f72aee830e/37514660393.pdfIn PDF document text
  • http://kiuruvedenlukio.fi/tiedostot/file/kawaridenidijeraxinezifi.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/1721b0e13f5ad28198351c9db5d41230/rusapasodewasuwesawuxixo.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/zorozepuna.pdfIn PDF document text
  • http://guanzhuli.com/userfiles/file/lokexuladijizikosi.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087113bceb87---wisanirudewezabusepos.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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