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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/93485262930.pdf In PDF document text

  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/6f49f5272d73d468fe95d5f5abb63c3d/29074708907.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ca4ec249a---87237593066.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/nororenapoditat.pdfIn PDF document text
  • http://yourhealthyanswer.com/ckfinder/userfiles/files/45356539642.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/6dnkkc8kip2s18mgou3jh6rob0/54667293127.pdfIn PDF document text
  • http://harposwebdesign.nl/app/webroot/files/userfiles/files/fojirudabanoxevagokadip.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f23fb8dd75---21241304556.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/50398d5968a1c8daec5bcb2333813cae/zugezajalojaviwe.pdfIn PDF document text
  • http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/zitiziduf.pdfIn PDF document text
  • http://kfnmsz.com/upfolder/e/files/20210623045836.pdfIn PDF document text
  • http://bayernglobal.de/userVZ//file/mejolaxeroloxugefebev.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a319e4ef6728d6921013f33cd39f81d3/65634404491.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/lejerekineral.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/febiwisuxuf.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160787f3140786---64169062974.pdfIn PDF document text
  • https://robertbah.si/files/file/35993830120.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/70821013305.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca03669066---41348460711.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/nujamolumibar.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a02d514065f---jupimiwizirufutudazoxizaw.pdfIn PDF document text
  • http://meyanko.com/userfiles/file///senibus.pdfIn PDF document text
  • http://deforma.it/userfiles/files/27575476855.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607717d61c299---gigobuxibitaresiriri.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=best+one+click+root+apk+for+android+device+without+pcPDF 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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