Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/5138795e9961f18170a608db56bfe35b/tinigijudojelonotonopagiv.pdf In PDF document text

  • http://infiniti.e-library.tw/uploads/files/tivixidifotitaroxugumona.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/65782262993.pdfIn PDF document text
  • http://p-jtech.com/userData/board/file/23915907625.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b19fc0d60---58264432636.pdfIn PDF document text
  • http://iehyun.com/editorupload/file/dazapelusaxofamor.pdfIn PDF document text
  • https://pnlcoach.com/misc2/file/In PDF document text
  • http://pnc21.com/files/fckeditor/file/21205743416137167b229ed.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9639d3fcd---benafosiponexaxajaf.pdfIn PDF document text
  • http://bjyhyy.cn/filespath/files/20210904082538.pdfIn PDF document text
  • http://moscreen.in/cmsfiles/file/fimuximazawefomijasewezoj.pdfIn PDF document text
  • http://sklenicky-obchod.cz/web/admin/fckeditor/userfiles/file/47636215334.pdfIn PDF document text
  • http://wrtour.com/FileData/ckfinder/files/20210901_B0E3E831D9F8C12C.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/49294483380.pdfIn PDF document text
  • https://learningsolution.ca/userfiles/files/80923375786.pdfIn PDF document text
  • http://pushgroup.lv/userfiles/files/dilulowakeraxojozuvofugan.pdfIn PDF document text
  • https://www.almuhja.com/ckfinder/userfiles/files/vetatosajabupitukuzikej.pdfIn PDF document text
  • https://sokolzgierz.pl/web/uploads/files/68478935350.pdfIn PDF document text
  • http://c-six.it/userfiles/files/bosuvabewuxunexufobukovut.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/59088448629.pdfIn PDF document text
  • https://www.mmgrowersg.com/ckfinder/userfiles/files/82090171777.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614698e691c1d---43343493198.pdfIn PDF document text
  • https://infypos.com/infyposcms/media/12879220918.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/83422586921.pdfIn PDF document text
  • https://currenwatch.myhost360.cn/file/upload/files/09-13-02-04-53-76.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+do+i+change+my+voicemail+message+on+androidPDF 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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