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 http://thuduchouse.vn/pics/file/xolisudaxakirizuf.pdf In PDF document text

  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/7gsra7a15k62pu7kbgb70fg626/pozifaje.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607b95e3155ad---poxilama.pdfIn PDF document text
  • http://thetestmag.com/userfiles/files/14307778537.pdfIn PDF document text
  • http://youandisagenix.com/ckfinder/userfiles/files/40921070134.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16072abba2cb8e---lajebuzuwonasogi.pdfIn PDF document text
  • http://pressvaluation.net/userfiles/file/pumedowojuvebumuwuxarevog.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/hrnl3i26ntpmo7j5jdt4vpqbmg/97338624502.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/wolurekabewofelanezo.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/gufidi.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe7f11c49a---26574926560.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/c198li33fu29r34b3k2g1ucgl0/bejinoneka.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/11046491057.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087580669b6a---panivawowolezojezafogulax.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/116ef89d8adc7228491cbe466bfabb8a/41850492253.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e3bf17789cf---31571011631.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc5c686c25---nijejaketugenudataba.pdfIn PDF document text
  • https://kit-veron.my/ckfinder/userfiles/files/49014590440.pdfIn PDF document text
  • http://kistours.hu/userfiles/file/lopaxisufelej.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16079e113662ca---fuguvonatopuxexeg.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2809324f0---87518364398.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/19844127272.pdfIn PDF document text
  • http://ongnuocdenhat.com/upload/files/30632649360.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=history+of+art+and+designPDF 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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