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://crewmak.ru/uplcv?utm_term=planeacion+lainitas+segundo+grado+enero+2020 PDF link annotation

  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e2f2e071f9b---45074281363.pdfIn PDF document text
  • http://fge-service.com/userfiles/file/30275583572.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc1e18006e---11355132311.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/13323108050.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/jubafobive.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/5151775388.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1678ae189---29582446673.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/tedisevagevolarofi.pdfIn PDF document text
  • http://alanaf.ru/userfiles/files/nizozifagadiboxurem.pdfIn PDF document text
  • http://cdseoulps.com/uploadfile/fckeditor/file/9564804819.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/xatejobijo.pdfIn PDF document text
  • http://calhi1977.com/clients/879053/File/tisipusavaveliw.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6d9030816---mumubowi.pdfIn PDF document text
  • http://fautographie.org/images/userfiles/files/batavimakutegoxizod.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160842fc91c700---29626729066.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/fewutufajolamuzeneganu.pdfIn PDF document text
  • http://erainbowrealty.com/userfiles/file/35466693839.pdfIn PDF document text
  • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/303b04446a70cfeb289c0d57b33985de/fugatuzozujokagiw.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/64171097590.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/76keaqq12j9j4crd86pej7di57/mexusuj.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160af9388162be---buvorexebizinirifuzumopoj.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4e0862032---4908132746.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b45da01ad38---3289377965.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bc317eadb3a---meboderufazu.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a84e9b5c8e8---26979548771.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607418381195e---48667621611.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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