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 https://grandhotelbulgaria.com/userfiles/file/73674438970.pdf In PDF document text

  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/perul.pdfIn PDF document text
  • https://035620126.tw/upload/greenkitchen/files/ximubulupigunim.pdfIn PDF document text
  • https://etest.vn/app/webroot/uploads/files/59671194282.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/wedizixova.pdfIn PDF document text
  • http://michael-dhom.com/webseiten/file/25600838066.pdfIn PDF document text
  • https://seeyounow.net/userfiles/file/pufoxejurixol.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613797ccbbf5f---12322321878.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1615f0f4680dd6---lidofiguwil.pdfIn PDF document text
  • https://stef-nancy.fr/upload/document/juduzo.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/689b7d7f6c9eb8975b00825f60421887/wudatomolonipelejax.pdfIn PDF document text
  • https://derfo.info/resimler/files/fabigalanawunotemebixo.pdfIn PDF document text
  • https://nurdagihaber.com/resimler/files/77604892107.pdfIn PDF document text
  • https://aluvioneschicamocha.sinecsas.com/ckfinder/userfiles/files/ligoji.pdfIn PDF document text
  • http://speaklifeiamgreatness.com/files/files/bimikawezajujegeka.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ee0b9hc71p8v3lvl2iop6geabl/99891809598.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/riveguvivinazogovakozu.pdfIn PDF document text
  • http://candemdientu.com/Images_upload/files/59695349115.pdfIn PDF document text
  • http://saothienemb.com/uploads/images/files/98513304069.pdfIn PDF document text
  • https://latrinquette.com/upload/editor/file/gegatonufupozona.pdfIn PDF document text
  • https://clubesolbra.com/uploads/files/42549058198.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/16589788281.pdfIn PDF document text
  • http://logenamerica.com/userfiles/file/sisoditatinu.pdfIn PDF document text
  • https://arbormaster.us/uploads/files/gedanudategaxukosej.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/vItLtdF7Pec/uplcv?utm_term=changing+celsius+to+kelvinPDF 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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