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
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 https://podar.co.za/YmrXLWy8?keyword=integrated%20math%201%20textbook%20pdf%20mcgraw%20hill%20answers PDF link annotation

  • https://wokonupojelofa.weebly.com/uploads/1/3/5/3/135351156/3470946.pdfIn PDF document text
  • https://umutfm.com/resimler/files/pojibub.pdfIn PDF document text
  • https://sincomerciariospv.com.br/kcfinder/upload/files/21129389269.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1622ca79166025---lowajalabofozizimibu.pdfIn PDF document text
  • https://gulfb2b.com/userfiles/file/51799783047.pdfIn PDF document text
  • https://zinegekoxemajaj.weebly.com/uploads/1/3/4/7/134767253/xaboxebeb.pdfIn PDF document text
  • https://rogifegupoxixo.weebly.com/uploads/1/3/4/0/134040774/wevevidusujizube.pdfIn PDF document text
  • https://natomujan.weebly.com/uploads/1/4/1/2/141218151/sabedigejixale.pdfIn PDF document text
  • https://paruralevefux.weebly.com/uploads/1/3/0/7/130775474/6329173.pdfIn PDF document text
  • https://www.beltiar.by/css/assets/plugins/kcfinder/upload/files/potezijamiruxedezixefepor.pdfIn PDF document text
  • https://csn-alliance.com/data/files/magaduziwapobuwutavefana.pdfIn PDF document text
  • http://eurosolar.cz/res/file/80200998256.pdfIn PDF document text
  • http://bronia.org/userfiles/file/fibamajopus.pdfIn PDF document text
  • https://lecormier-menuiserie.com/www/upload/files/10364338455.pdfIn PDF document text
  • https://sajixigepanosu.weebly.com/uploads/1/3/1/0/131070231/jaruwesotegav-zolikevulagugu-kunizobe-jagemagagovajor.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/162410b1065d0d---49158375853.pdfIn PDF document text
  • https://redumufisinuf.weebly.com/uploads/1/3/1/6/131636648/aaef0531.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1621fb085a22e9---gepedagunuli.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/162246e184fc27---42833991413.pdfIn PDF document text
  • https://energooptima.hu/upload/File/90878742832.pdfIn PDF document text
  • https://razotipelemato.weebly.com/uploads/1/3/0/7/130738732/jikezupatik.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/geguzugezevoxexe.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/88908336385.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/33490365126.pdfIn PDF document text
  • 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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