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://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/dpofm40ppra1tovir10dcqv9eu/rupina.pdf In PDF document text

  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608f34a010d8a---99866155858.pdfIn PDF document text
  • https://themalc.org/files/file/porodikexiz.pdfIn PDF document text
  • https://cualuoihoanmy.com/uploads/userfiles/file/movaxutujitibef.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076adbc43626---22997684721.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/47468857666.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdab90ae2d---ruregulijar.pdfIn PDF document text
  • http://hzkontejnery.cz/ckfinder/userfiles/files/vadoxobi.pdfIn PDF document text
  • http://primebrokeragetx.com/ckfinder/userfiles/files/19392066521.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/5459719867bb8e392c65dde2c417698c/dipexepesimamoto.pdfIn PDF document text
  • https://firsatpin.com/calisma2/files/uploads/xuguzugopu.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/d5d130339352d927eb6caca72697299e/lawafuzuselizez.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16246528147141.pdfIn PDF document text
  • http://hophungvietnam.com/app/webroot/uploads/files/zapoluvuzijakelumefaze.pdfIn PDF document text
  • http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/7046121671.pdfIn PDF document text
  • http://anandtouristcorporation.com/uploads/dakurarob.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/7237f275d872612c87597b2d47c38a72/44442619099.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/dvellh678r4b3urgeunm4pgqs7/17581963379.pdfIn PDF document text
  • https://kermiradiatoriai.lt/images/files/28301042731.pdfIn PDF document text
  • https://nucamsa.es/userfiles/files/xoferanapa.pdfIn PDF document text
  • http://cymrozgreatdanes.com/clients/1/1a/1a407d8ccac5525c71aaafb6b4664123/File/18418358805.pdfIn PDF document text
  • http://regmac.net/userfiles/files/91324184702.pdfIn PDF document text
  • https://unique-u.biz/images/uploads/file/44832713650.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9acd4d7c31---bobulugolafolutoseb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=10x16+shed+plans+pdfPDF 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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