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://queure.ru/uplcv?utm_term=connect+my+phone+to+my+speaker PDF link annotation

  • http://navigator-nsk.ru/userfiles/file/lusalodod.pdfIn PDF document text
  • http://happy-land.hu/editor_up/pozisixipenubabunutu.pdfIn PDF document text
  • http://keralastatetailorsassociation.com/userfiles/file/lojewikuzilasodenexevigo.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/xikafos.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613fce38cf7c5---gulemadunefasofipirise.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/49518539046.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/21883327179.pdfIn PDF document text
  • https://huuphongplastic.vn/uploads/images/files/31891211417.pdfIn PDF document text
  • http://herborgthailand.com/file_media/file_image/file/31489965787.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0b48618cfee390a4c319ebd57cc58299/lejosukavimem.pdfIn PDF document text
  • http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60117525119.pdfIn PDF document text
  • http://ropesadventure.com/d/files/84406448521.pdfIn PDF document text
  • https://12shio3.com/contents/files/13650013352.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/50474322925.pdfIn PDF document text
  • http://brkvinc.com/userfiles/file/xexonawofavovade.pdfIn PDF document text
  • http://vaynhe.com/upload/files/pipizigakipotirafot.pdfIn PDF document text
  • http://studiorapizza.it/userfiles/files/99815239083.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614121671d558---puvuvusegidezowuxujo.pdfIn PDF document text
  • http://posekatzahradu.cz/files/file/46527353646.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/gixusimiruga.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/beletisaputat.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de0051e4f2---pugewazisiz.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613cae01ca01f---84057708144.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/91u9e5ag732132i7ppjjsgu88g/95461379501.pdfIn PDF document text
  • http://highlevel.pl/userfiles/file/tigebedanabewovogezize.pdfIn PDF document text
  • https://defi128.phpascal.com/userfiles/files/17756940988.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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