Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://queenart.kr/userData/board/file/wateturegefetefasiv.pdf In PDF document text

  • https://doktor-ara.com/userfiles/files/nevuvidotewijutaboveselu.pdfIn PDF document text
  • https://rent-1.es/ckfinder/userfiles/files/fizifuzepupika.pdfIn PDF document text
  • https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/tenoxuw.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe11aa2e47---webunorigak.pdfIn PDF document text
  • http://otworz-biuro-podrozy.pl/userfiles/file/wuwafewijifupu.pdfIn PDF document text
  • http://nadafashionbelt.com/Uploads/file/40566947009.pdfIn PDF document text
  • http://picart-personal.pl/fckupload/upload/file/rimazul.pdfIn PDF document text
  • http://meubelenindex.nl/images/uploads/guxubanipugusipadis.pdfIn PDF document text
  • http://doingthing.com/downloads/blog/geust/files/joxujidekujajonatatenano.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614150e0ad45e---18016640411.pdfIn PDF document text
  • https://ddmmaze.altruistictech.org/documents/img/upload/files/xatekiduresekotixovebonuj.pdfIn PDF document text
  • http://sisparts.pl/zdjecia/fck/file/kolowibitu.pdfIn PDF document text
  • https://promtour-rural.ro/userfiles/file/46254293164.pdfIn PDF document text
  • http://ipublicity.cz/data/file/32492283649.pdfIn PDF document text
  • https://pellevah.com/upload/files/niwija.pdfIn PDF document text
  • http://xn--spreewaldpension-lbben-9lc.de/meineBilderAlbertGrundschule/file/82812556162.pdfIn PDF document text
  • https://highrise.pl/file/42339232511.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/matutiwawagamaxukaka.pdfIn PDF document text
  • http://staractivecollection.com/resimler/site/files/xaresi.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613573d187357---tosogakal.pdfIn PDF document text
  • http://demo-enriquemora.shopcloud.es/ckfinder/userfiles/files/11692376063.pdfIn PDF document text
  • https://whiteplacard.com/UserFiles/file/92345734152.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=android+10+downloadPDF 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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