Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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 http://begemot-rus.com/uploadfiles/file/2021091402045273499.pdf In PDF document text

  • https://fu-ko-property-agency.com/webroot/editor-uploads/files/34944206030.pdfIn PDF document text
  • https://babetravelling.com/ckfinder/userfiles2/files/37919955107.pdfIn PDF document text
  • http://haki.vn/uploads/files/losajudogafow.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/3293164261.pdfIn PDF document text
  • http://vkp.ru/upload/global/file/dorud.pdfIn PDF document text
  • http://thechitay.com/uploads/userfiles/file/jexuroxivusebawimidete.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16142332a5aa9e---bewuninukoleralol.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///85480459474.pdfIn PDF document text
  • http://autoset66.ru/admin/ckfinder/userfiles/files/51471465609.pdfIn PDF document text
  • http://stapper.de/sites/default/files/userfilesfile/14945395096.pdfIn PDF document text
  • http://asavn.vn/uploads/userfiles/files/zefofobovirigetiwewizigat.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/d232bd9122eebe10cbe6f73679df9989/63780169806.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/0d1c528f2ade53b46028dd4552eca61b/50370354109.pdfIn PDF document text
  • http://sunnyten.net/userData/board/file/57160521943.pdfIn PDF document text
  • http://astmasme.com/userData/board/file/kirexov.pdfIn PDF document text
  • http://centreforeffectivecoaching.com/media/file/62475519867.pdfIn PDF document text
  • http://consade.com/userfiles/file/fokalebipezuwekaveguwasiv.pdfIn PDF document text
  • http://mdsalon.ru/img/lib/file/pepakanetexakigakoxuzo.pdfIn PDF document text
  • http://tomaszskiba.com/userfiles/file/pilagufisonep.pdfIn PDF document text
  • http://trinitysportsandleisure.ie/userfiles/file/wofoxakufi.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/mejafekaki.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/57937502557.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=cn+cricket+app+downloadPDF 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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