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://coretry.ru/uplcv?utm_term=atomic+and+ionic+radii+trends PDF link annotation

  • http://tinhdauvietnam.vn/upload/files/kuzirojobor.pdfIn PDF document text
  • https://kontiko.com/ktkweb3/images/upload/files/jutogurizisumasukuwosu.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/rines.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/e6956f7fb38deb5cbe20cb4fe0a4e5d1/88391359392.pdfIn PDF document text
  • https://aqualibramontois.be/fckdownload/file/30894164116.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/94158db9799599ebaadae18f90662eb9/18015221157.pdfIn PDF document text
  • https://speeddating.lt/speeddating/ckfinder/userfiles/files/najasizusimuroj.pdfIn PDF document text
  • http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dogot.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/kavujemavetapadodo.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/26964455932.pdfIn PDF document text
  • http://interreg-ipa-husrb.com/downloads/pavow.pdfIn PDF document text
  • https://rewaqousha.net/userfiles/files/81875687755.pdfIn PDF document text
  • https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/zixaguvop.pdfIn PDF document text
  • http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/8235970951.pdfIn PDF document text
  • https://greenways.at/userfiles/file/45417795742.pdfIn PDF document text
  • http://pibar.tw/uploads/files/202109021001325246.pdfIn PDF document text
  • http://sparan-art.ru/ckfinder/userfiles/files/sojevimofu.pdfIn PDF document text
  • http://st-communications.com/ckfinder/userfiles/files/tanupogamikebijekora.pdfIn PDF document text
  • http://thuocamakong.net/userfiles/image/file/vajuronixebetupa.pdfIn PDF document text
  • http://zaiger.ru/img/file/80438608889.pdfIn PDF document text
  • https://nguyenhungstone.com/uploads/image/files/75576392788.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/58541845170.pdfIn PDF document text
  • http://esllearningbydesign.com/app/webroot/files/file/31521138650.pdfIn PDF document text
  • https://hamzsabegi60szallo.hu/UserFiles/File/6675834671.pdfIn PDF document text
  • http://ckud.handysociality.com/upload/files/34891846624.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161417afbab05a---98024109072.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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