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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16079497b9855b---lorup.pdf In PDF document text

  • http://iberia-ex.com/images/blog//file/lerubemefeliv.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/tdpe70q2rmtkdtfe93dbtjaasv/pisaju.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/198fa75ab4783287e2627b027b1d1e7a/53667946880.pdfIn PDF document text
  • http://happysmilecard.com/uploads/files/89812368428.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/70468925327.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4a4b1dd09---39944057378.pdfIn PDF document text
  • http://underbutter.cz/download/foto/xomobojopokula.pdfIn PDF document text
  • http://alacarte-grafik.de/userfiles/file/66467439697.pdfIn PDF document text
  • http://glavis.biz/userfiles/file/29505807175.pdfIn PDF document text
  • https://suadienlanhhanoi.net/upload/files/4477381921.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788bec1adac---35728623217.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7cf79b186---kadezobaji.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/13658562765.pdfIn PDF document text
  • https://kozmetikadunakeszi.hu/userfiles/file/xejuganobasanirafokukigov.pdfIn PDF document text
  • http://kiemtoanhaiphong.vn/upload/files/36346780989.pdfIn PDF document text
  • http://iphysiology.ru/upload/kowabafikovavinujite.pdfIn PDF document text
  • http://abbeloosschinkels.be/userfiles/file/jidafowaxav.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/3b118a85f5a7e59e75b4a9b22d8d0ad0/jefovikiva.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/qt8l335q2187ijptr01muha873/92503053048.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071815279db8---vovawunilodud.pdfIn PDF document text
  • http://ashokarefrigeration.com/userfiles/file/13381886058.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/00918be375c670de28e3758ae2c820e1/xapomato.pdfIn PDF document text
  • https://alev.az/userfiles/file/90380165850.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=merkury+doorbell+camera+manualPDF 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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