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://drafthe.ru/uplcv?utm_term=introduction+to+fluid+mechanics+fox+8th+edition+solution+manual+pdf PDF link annotation

  • http://beijingxinzhi.com/userfiles/file/20210909122317_1439261551.pdfIn PDF document text
  • https://pecintajp.com/contents/files/ziluforuragirorigewero.pdfIn PDF document text
  • http://blbr365.com/userfiles/file/1631586718.pdfIn PDF document text
  • https://kolegium.inaheart.org/upload/files/64795134707.pdfIn PDF document text
  • http://pluimveebeurs.com/userfiles/file/mowiwuruse.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/aafefa5493d6654a8a740be6ff172f5a/43128822427.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/lrk9l1e2j6gq26sk0ejood1dk6/pupijimomugon.pdfIn PDF document text
  • http://altiro.nl/home/tjerk/file/63467103449.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/8cc82f526ce97707f994f24b1eb26b0a/tadipij.pdfIn PDF document text
  • http://furniture83.com/upload/files/buzapitudonafo.pdfIn PDF document text
  • http://www.casasemio.com.br/ckfinder/userfiles/files/wudidejozowezi.pdfIn PDF document text
  • https://spyboarcams.com/files/supogedofajuwasokubuxeru.pdfIn PDF document text
  • https://rintrans.com/files/6060780990.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe9fe772a6---34887479310.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb6faa133e---ganasaxotukad.pdfIn PDF document text
  • http://www.mostex.sk/files/articles/file/pogamuda.pdfIn PDF document text
  • http://vegman-kzn.com/ckfinder/userfiles/files/sebejewunuwawetigug.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/86886609897.pdfIn PDF document text
  • https://amthanhanhsangchinhhang.vn/upload/files/47662862669.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/57929805385.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/43021a787ef7f91d073d066ed5c0c148/60049123514.pdfIn PDF document text
  • http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/sufegawejetidakuk.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/padugogatiripox.pdfIn PDF document text
  • http://moestuinwebshop.nl/userfiles/file/66052250012.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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