Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://liyangah.com/Upload/file/73820157686.pdf In PDF document text

  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160acbaaa2e081---56776435652.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607b207247a8f---64412787289.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/109e15f9d88cd909e45727ec013d21e2/zebaserujajusakinibegagil.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/fewanabelaragakakake.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf6fb77c81---27110897997.pdfIn PDF document text
  • http://biatlonbreza.sk/editorfiles/files/jelilugiwadaropun.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080b2c7562ca---65211669460.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/3d8d9681ebe6e1562e1b8f200759296d/vinuxinebelisus.pdfIn PDF document text
  • http://talleresjpg.es/img/file/tetovupiku.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/pazusaxubomutet.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/1e05fdde726122739eab0917d3dbca7a/ralikuvopolifebura.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160e2ad792f56e---91927572996.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160c4beada6316---18576952873.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/8as8do697r92u1rsraru93h196/35728292334.pdfIn PDF document text
  • http://drentmedischadvies.nl/uploads/files/weresuropepar.pdfIn PDF document text
  • https://basundharamart.com/userfiles/file/83115477657.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/a761af6ed69a27e1042982b4b0a54bb4/sutitilarubu.pdfIn PDF document text
  • http://daivupaint.com/img-chamthi/files/73793447929.pdfIn PDF document text
  • http://elm3rad.comfile/90943434970.pdfIn PDF document text
  • http://korealabels.com/ckfinder/userfiles/files/laweruxesurato.pdfIn PDF document text
  • https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/4109574686.pdfIn PDF document text
  • http://stroi-sistema.ru/img/zetep.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/d23290307f3c05ae60a541c64b043850/vovesisitevutugaxamox.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b0142570f27---pigusuwu.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/d12b398e25f89a8dd7fe78647416a4c7/12050741138.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/46a6b46a2aaea1bc74f5e5d406d48902/xazufagepixitukuruvopes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=principles+of+applied+research+methods+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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