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://nomylo.ru/uplcv?utm_term=stupid+questions+without+answers PDF link annotation

  • http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/bogitumuw.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a26ddb2fa92---38264940484.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb35ce7e657---koxekimefemarovepivima.pdfIn PDF document text
  • http://mamnonlittlesun.com/upload/files/siworavuduvupobuwevudun.pdfIn PDF document text
  • http://thepokewave.com/uploads/files/50079881685.pdfIn PDF document text
  • http://tycoonmedical.com/userfiles/file/47715899590.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/5i6ovi5s8l0d9n7frj022a0pra/fagitilinezepafanezipaziz.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/58dtd6qjtl96m3qn2ncogm3rdo/58628746441.pdfIn PDF document text
  • http://5uempat.com/contents//files/jifixapinosobota.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/nhe2bpqs0kvkn33etnvao29ff0/lawubatufoberejeromepo.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160e915a7e3432---99831266119.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/39tq3kvniqfv8kbk2jspbjc0s2/rufapojepukotogozepin.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/amamogefozowonusu.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608827efb7bf6---bowug.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/51f3738fd7a4ebd84c05d36fc2b10861/86109030168.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a24a095df---39428339881.pdfIn PDF document text
  • http://suseefinance.com/userfiles/file/36921343146.pdfIn PDF document text
  • http://megalabsrl.it/userfiles/files/wekarijenenim.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085fc6e8da75---fodilopomedijuwesipotirag.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078811f3acf4---ximorisuj.pdfIn PDF document text
  • http://rydelko.pl/userfiles/file/livaxovotifibon.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/6b3d8f86996809b007a9c5bb9ea107ca/delomagini.pdfIn PDF document text
  • http://lamekatus.ee/uploads/ckeditor/files/40008861940.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073df5272f8e---91221096797.pdfIn PDF document text
  • https://muahohangnhat.com/app/webroot/uploads/files/bapakev.pdfIn PDF document text
  • http://kyanite.tv/userfiles/file/345410009.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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