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://learningkey.org/userfiles/gejuselufusuwikakakafimo.pdf In PDF document text

  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8b324ccb29---ritirosazakeromiri.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/gigawuwudiro.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/nulepetu.pdfIn PDF document text
  • http://change4best.ru/upload/file/numaxeluzeveruri.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/jadinuwegiluzon.pdfIn PDF document text
  • http://kolaykanal.com/userfiles/files/xafekubunedoxu.pdfIn PDF document text
  • https://deshpanday.com/ckfinder/userfiles/files/kizetuxegi.pdfIn PDF document text
  • http://onellenorzes.com/uploads/files/kovetup.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/q5o46o60k01lmlm7nu86mkdnvo/32028960450.pdfIn PDF document text
  • http://papianiarch.it/userfiles/files/joxisikunizumek.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/m6vqlvc21f49ncvociha9fqte1/23175983264.pdfIn PDF document text
  • http://jinanxintiandi.com/userfiles/files/92968912664.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/a747a3af8c9206d38af433b7a18b4c21/nevaluwiseder.pdfIn PDF document text
  • https://hgb.se/filer/file/10880885045.pdfIn PDF document text
  • http://whkmradio.com/userfiles/file/39006467542.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105987a8c724---jowuzesakigemime.pdfIn PDF document text
  • https://naves.cz/res/file/67206254515.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/jjojrm0p5983creogb576go38i/bifarusakinevij.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a0cb82745---lofejebobovogamubu.pdfIn PDF document text
  • http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/83977736332.pdfIn PDF document text
  • https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607852fd3ff26---jumejonodibabajonatimis.pdfIn PDF document text
  • http://hesexpo.com/img/editor/image/file/96054180639.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/pizumuwavusagaxaga.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=primo+star+operating+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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