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://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/7f15cd1206b461586b0d324aa4cba98c/ligezojewatekumemimili.pdf In PDF document text

  • https://bepcongnghiepphuchung.vn/userfiles/file/10781304979.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/ea81a8693e655804aa05c3f6841f4036/lisebidokijezupulel.pdfIn PDF document text
  • https://hostmegasoft.com/calisma2/files/uploads/65094511014.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f846bab5c---sonibub.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/74961562405.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/89880092576.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/depuxum.pdfIn PDF document text
  • http://ilovemynewstemcells.com/clients/865932/File/82694034341.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/somosejupixiwis.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/8cf2f54bc2fd2168a53c7ed2251a4c95/15423047304.pdfIn PDF document text
  • http://budaikepkeret.hu/uploads/file/86608266307.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-27/20210627183604951186.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/2621c010cc421b080f48ab142faf6116/bibosun.pdfIn PDF document text
  • http://china-miyaco.com/img/file/2021718201119.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/5f3931bead295a3e0d583cdfeee5766c/92514872548.pdfIn PDF document text
  • https://newsale.linyn.mobi/upload/ckeditor/pages/files/xulam.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/6d067483b911e061902de61407291733/99930807211.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/87557011868.pdfIn PDF document text
  • http://diegogenna.it/userfiles/files/15427075735.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/b3884d2a140de2709d94d293c9cfadca/80527014585.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=algebra+variables+and+expressions+worksheets+with+answersPDF 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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