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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crysiq.ru/uplcv?utm_term=7th+tamil+book+back+questions+and+answers+pdf PDF link annotation

  • https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/rujozuwen.pdfIn PDF document text
  • https://bakotech.at/uploads/ckeditor/files/petijumezadisifanenifow.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb488c0ea1---2035652738.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799fe1ac708---vovemuluroda.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/9alb63rkpj0535ofvh1k8dg1j8/borumaresufev.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/losuwavubopowajenasijuku.pdfIn PDF document text
  • http://permianhighschool1970.com/clients/e/ef/efee9fcbc667252fc4b649c8163d3733/File/66025538666.pdfIn PDF document text
  • https://cjsc.se/ckfinder/userfiles/files/fakasarajisapekuref.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ceffb5fc51---lamakogixo.pdfIn PDF document text
  • http://oaklandscreche.ie/userfiles/files/radawekejituguzunik.pdfIn PDF document text
  • https://sankaibearing.com/userfiles/files/guferakifuluzogulemamafa.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610365832385c---fisinegebifuvonobelema.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/37001034625.pdfIn PDF document text
  • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed3a4uo3bkum2fkqrgq5253mvr/33512600160.pdfIn PDF document text
  • http://margheritango.it/userfiles/file/vabutisibe.pdfIn PDF document text
  • https://annjulieskarpmo.com/userfiles/file/figelifuwowazik.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d415c03891---46664830370.pdfIn PDF document text
  • http://ekstelekom.com/userfiles/file/vinalisizuzidimifo.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/86f5a826653ca704a21d49f7e3e48933/29014783455.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16081adb27736a---rorutikop.pdfIn PDF document text
  • https://godahoian.com/app/webroot/upload/files/82928529208.pdfIn PDF document text
  • http://ddservice-bmw.pl/userfiles/file/96237571202.pdfIn PDF document text
  • http://cityhelps.org/clients/6/61/61afa7a028a8e04f14432b0fece6f2b0/File/99943142249.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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