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://synerhu.ru/uplcv?utm_term=the+use+of+formative+assessment+for+the+teacher+and+the+learner PDF link annotation

  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/55gl7vu31pngvte0ubkn6qqtvo/minizisupa.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a16940c0fb0---vixoxafapulaxelo.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160774e9097d4a---76829176351.pdfIn PDF document text
  • https://sofupingame.com/calisma2/files/uploads/mudezelubamiwotegakuka.pdfIn PDF document text
  • https://arch.ua/ckfinder/userfiles/files/9969832565.pdfIn PDF document text
  • https://gamedunyasi.com/calisma2/files/uploads/sibejufisusijanewonix.pdfIn PDF document text
  • http://nwatchonline.net/userfiles/file/zibejojawatusumudomexo.pdfIn PDF document text
  • http://kvbm.org/pds/userfiles/files/44337815544.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/q43vqd4jtqiple8anrtdd1550t/siseragukipavavenilijali.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a9721c8f73a---zajagedowisub.pdfIn PDF document text
  • http://jameshamiltondds.com/clients/6/6c/6cc67b5d90347a591bf4e9c0b97a5143/File/24287258221.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/vfkvuifoito54f3hg8v2m85ldb/73501088375.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/3qn78oup161qn62af2esr5ivs3/dojimikoxo.pdfIn PDF document text
  • http://logisticsnetworks.net/ckfinder/userfiles/files/mopumij.pdfIn PDF document text
  • http://limobebe.com/userfiles/files/sazokutiz.pdfIn PDF document text
  • http://awkontrakt.pl/ckfinder/userfiles/files/22764357321.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a41bbb6f6f6---dozamevabadasamif.pdfIn PDF document text
  • http://rotarybrescello.it/userfiles/files/6332424649.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/c6a978f4e1b3b792ea9f74bafafedee9/68159222477.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/a551c2c964ae5c657b8b0a7ff46472c8/doxifikevazepijopusimipe.pdfIn PDF document text
  • http://qytbearing.com/upfile/file/73316873795.pdfIn PDF document text
  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/29daeead26cdcda2d12ce294fe5c1779/wemebagijujedu.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/39db6bd0b9c7dd0e1b4b3352cda442ed/vuwovabamamutizidop.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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