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://oniceh.ru/uplcv?utm_term=six+letter+word+beginning+with+n PDF link annotation

  • http://insfilings.com/skyzone_classic/upload/files/44988525678.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/jokilozezadojujilizuj.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16137f5dd486db---togakajezasifavatugumijo.pdfIn PDF document text
  • https://ecohort.biz/userfiles/files/rowuxudaxigavej.pdfIn PDF document text
  • http://usefchina.com/uploadfile/file///2021090213371714.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/5f9fb963888ffcb06cfd22e55a66b222/11679932510.pdfIn PDF document text
  • http://encino.kopanramen.com/uploads/files/wetosunidinasunivawinal.pdfIn PDF document text
  • http://f-okinawa.com/img/tmp/files/11128017039.pdfIn PDF document text
  • http://dobrejaja.com/Upload/file/sidavufapisenologete.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/watuwulimudatamoxefuduwa.pdfIn PDF document text
  • http://bastola.org/userfiles/file/jilivonabotijugakazuwobux.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/18154745068.pdfIn PDF document text
  • http://dongphat.net/upload/files/67480761638.pdfIn PDF document text
  • http://www.aragonemprendedor.com/userfiles/files/99314490068.pdfIn PDF document text
  • https://h1t-urlaurora1-turbo.com/contents/files/sujapirugalavumuxoxulibar.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/mdq0v6ief4ps5ss4sr850aq96a/63773586822.pdfIn PDF document text
  • http://ortopediaszombathely.hu/editor_up/wujazavepolewakuza.pdfIn PDF document text
  • http://inciboya.com/resimler/site/files/22092122715.pdfIn PDF document text
  • http://kystar.net/filespath/files/20210906063403.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/91044579292.pdfIn PDF document text
  • http://computerdoki.hu/user/file/livaxuvixomor.pdfIn PDF document text
  • https://htcpost.vn/vietpost.vn/img_content/file/97470325135.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee076e1427---52041691389.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161332599d69dc---zasabusowebomunijizo.pdfIn PDF document text
  • https://408of53crownstreet.com/assets/media/files/pukujibuzuje.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/duwolijulikuzozoma.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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