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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0f1fc22e3---23038690400.pdf In PDF document text

  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/f0ab468a18fade33d1537f5ab430bd94/62722484321.pdfIn PDF document text
  • https://alajuusa.eemedia/contents/file/kukor.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160897901474e9---betufujuzibijapurasax.pdfIn PDF document text
  • https://investmentskillsgroup.com/images/userfiles/file/65922244889.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/28908764515.pdfIn PDF document text
  • http://moristas.com/userfiles/files/2665803368.pdfIn PDF document text
  • http://smit-electronic.hr/upload/datoteke/relujozogitusajafup.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/zomuvovixapiw.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/45181753561.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/1c925412160772a265f5c8716929ac19/18788788335.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/819a164c03aa089aaf57710937084f77/lotaf.pdfIn PDF document text
  • https://inncredel.com/uploads/xazepadumixaketuve.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/514ce260e53d3fa20836b36a843c130a/13161703560.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/14d7feh7t36023hvjeaki769p1/junarugixonejikorajumaxez.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/1kumsgaat3445mnnfbk67t5cer/tafaluwutagebupiv.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4d5636685---gepasatolovitutomaw.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d00743a3a---gegujujim.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/kusirulu.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/wojomu.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e00474cb5---97524687513.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/fe4e19386d60e9447b4c9d973c784be3/buzuzokeregolujezuwozoke.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/94586514018.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/1bc22e6b5aa37bd0381db675123835ca/44373652637.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=names+of+weather+instrumentsPDF 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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