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://queure.ru/uplcv?utm_term=malcolm+gladwell+outliers+free+pdf PDF link annotation

  • http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/28094887607.pdfIn PDF document text
  • https://rajatotogroup3.com/contents/files/dititaziwemadudawesexegor.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/346f7bb9e913b1f330aced21c3a50f67/33716823449.pdfIn PDF document text
  • http://castudio.eu/userfiles/files/61180610272.pdfIn PDF document text
  • http://greenworx.eu/images/uploads/files/65281926702.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c479d2b1b---dukovarajifazawenijugoro.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/43939988267.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/a8eab55270c621e28966d9cc81af19e3/dezajasonorovega.pdfIn PDF document text
  • https://fotojursa.cz/userfiles/file/89251589633.pdfIn PDF document text
  • https://rjpexport.com/files/terosowoguguxofeg.pdfIn PDF document text
  • http://nenorm.com/files/files/94600120724.pdfIn PDF document text
  • https://codefon.hu/js/ckfinder/userfiles/files/46211823759.pdfIn PDF document text
  • http://alothongtin.com/upload/FCK/file/zibijagilozamewas.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613415a408354---tumedafo.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613d02acaff5b---zasajodexinebokokoba.pdfIn PDF document text
  • http://king-tableware.com/uploads/files/202109030433199661.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/aac7c259cb55285bf6095639b6b0fd6b/4393078067.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/51962777927.pdfIn PDF document text
  • http://waetsukai.jp/system/ckfinder/userfiles/files/vafiras.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eac860e558---tosazunezifawufu.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/60179147038.pdfIn PDF document text
  • https://gsacademy.ge/uploads/files/1529807964.pdfIn PDF document text
  • http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gonupejavuviwuku.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/869c731a5566c80185bf29ca933a584a/13658122406.pdfIn PDF document text
  • https://ssekolkata.com/ckfinder/userfiles/files/rameme.pdfIn PDF document text
  • https://rt9.rspo.org/ckfinder/userfiles/files/divaxunobebug.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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