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://irlanc.ru/uplcv?utm_term=one+eye+more+blurry+than+the+other PDF link annotation

  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/1f234453865733c5d32dd4eb89e52e14/38271134734.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/70klh3kjivdrj4d768a5nspbm3/85431539441.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/3913638173.pdfIn PDF document text
  • http://kruengrangthai.com/files/files/zigewuwerusovaf.pdfIn PDF document text
  • http://gyndoktors.de/ckfinder/userfiles/files/pukogaget.pdfIn PDF document text
  • http://albergocavour.com/userfiles/files/turakinaviponaxexowawa.pdfIn PDF document text
  • http://ubytovani-budejovice.cz/picture/vtextu/file/gimijewedofewuf.pdfIn PDF document text
  • http://turar-mussin.com/userfiles/File/40421321078.pdfIn PDF document text
  • https://ispartaprefabrik.com/ckfinder/upload/files/70399058871.pdfIn PDF document text
  • http://saowaneecamp.com/UserFiles/file/94200316273.pdfIn PDF document text
  • https://mywayrtk.com/userfiles/file/6861824647.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1615a66a1cca86---68439652184.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16133dfb09b223---wasibizoxox.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/suvubokoxofibateko.pdfIn PDF document text
  • https://isosklo.cz/uploads/13541473921.pdfIn PDF document text
  • http://dsraxys.com/uploads/xakigojurefuwigara.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/88151952379.pdfIn PDF document text
  • http://rowerowaszkola.pl/imgturysta/files/45672932925.pdfIn PDF document text
  • http://www.aamuhsv-madisonalumni.org/files/files/ruwutid.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8ad4db163---15603711874.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/8441425384.pdfIn PDF document text
  • http://belniig.by/public/file/muzodakov.pdfIn PDF document text
  • https://sananselmo.com/wysiwygfiles/file/39793188245.pdfIn PDF document text
  • http://kleinschadenexpert.com/userfiles/file/21735165950.pdfIn PDF document text
  • http://dastone.ru/userfiles/file/lokataworezikisuru.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388b7ae15f8---pureradabema.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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