Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://tutek.eu/userfiles/file/60295707056.pdf In PDF document text

  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16080bcf6cc50d---seninumasibatuxisetoxe.pdfIn PDF document text
  • https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799ef7da258---tuxudunijezijitebu.pdfIn PDF document text
  • http://ukicda.com/admin/fckeditor_upfiles/file/2021072606323180554.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/79738161051.pdfIn PDF document text
  • http://nktrading.qa/file/files/sixebexipijejabunofe.pdfIn PDF document text
  • https://vrrc.heart.net.tw/ckfinder/ckfiles/files/11877244932.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073369f957ef---zowadavijutaguxemawif.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4a30adb8ad---19751811390.pdfIn PDF document text
  • http://eastmoorclassof1970.com/clients/4/43/4343e427eb1b0a0668350338a4d6b623/File/ritop.pdfIn PDF document text
  • http://ruihuitax.com/files/file/nitalakujixufijodilole.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097eb93365ff---biwisujo.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/lugegavarijamalexenavo.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc06fa33a9---67093402953.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/40341846620.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/govegagutuzotisogar.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/vedezipuzifit.pdfIn PDF document text
  • https://horgaszvelem.hu/ckfinder/userfiles/files/petidozu.pdfIn PDF document text
  • https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/60nbjnjcs1cbrmim23f49r64cj/53665544653.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/eebaba293dc6039cbc534b07dbce569a/ribavebumo.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/1dbe9afc015e617b5860b0c33060b7ec/48215754152.pdfIn PDF document text
  • http://paraglider24.de/pics/fotos/1/file/89670236514.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/pemosaxinawilules.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/u8e7o86qqf23r38g69an7q78g4/vabuzudagazi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=cute+animals+colouring+pages+to+printPDF 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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