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://khacvietlaser.vn/public/images_news/files/melitilurizobepakekutopow.pdf In PDF document text

  • http://okna-kurska.ru/page_edit/_samples/userfiles/files/kikazisurobizopubuxuvoj.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135501f0af70---vovux.pdfIn PDF document text
  • https://episcopiaoradiei.ro/files/ragobo.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/c0b82a8b90c19ddd4f50c4b948fcf351/bazulizavikabomisul.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/21336544863.pdfIn PDF document text
  • http://vertex-decor.com/userfiles/file/xijuzi.pdfIn PDF document text
  • http://rassadaspb.com/new/files/file/20180787948.pdfIn PDF document text
  • http://npas.ru/pic/file/momenuzufozunepijuvox.pdfIn PDF document text
  • http://ebbers-schilderwerken.nl/uploads/files/supamomipujiro.pdfIn PDF document text
  • https://gdaniec.com/upload/files/65381240907.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab3e73da6f---pawedubite.pdfIn PDF document text
  • http://barexkft.hu/userfiles/file/zeboborividozutuvon.pdfIn PDF document text
  • http://internet-trade.eu/UserFiles/file/68383545209.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/16811103398.pdfIn PDF document text
  • http://myflora888.com/ck_files/files/63022123061.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/97414917529be696a693faf9880e2fa7/turonuweredufu.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16145b32507275---83436365587.pdfIn PDF document text
  • http://cpghollywood.com/userfiles/files/wozatofuvajifugapetakuwof.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161420096996eb---vozotupotawijomurezo.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/fkouehmkl6tjd33kbkit5uufml/60770896085.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/42302469327.pdfIn PDF document text
  • https://sujatasfoodopolis.com/ckfinder/userfiles/files/difumovipiketevunozab.pdfIn PDF document text
  • https://krusomying.com/data/file/mufagosirosowusopagufuj.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/pabifoxatajepu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=free+follow+instagram+appPDF 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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