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 http://etalentlink.com/uploadfile/file///2021090920502883.pdf In PDF document text

  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/bcf23a5c5a498f097d9148676a188e70/86455758912.pdfIn PDF document text
  • http://terwaarde.be/ckfinder/userfiles/files/39074037321.pdfIn PDF document text
  • http://kisito.com/userfiles/file/87462634867.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/e210d54538772ef1501de56ad295dbba/tuxudovonarozuvopuviz.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/54048574384.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/98844375074.pdfIn PDF document text
  • https://bunian-co.com/other_files/File/54034489275.pdfIn PDF document text
  • http://tercovci.cz/files/file/nijizatuwakofibibikod.pdfIn PDF document text
  • http://bezpiecznamlodosc.org/files/file/46815274669.pdfIn PDF document text
  • http://studioarchperissinotto.eu/userfiles/files/pedirisiragarixogonenudo.pdfIn PDF document text
  • http://myappartement.de/web/editor/files/39688001481.pdfIn PDF document text
  • http://hmconcretemixingplant.ru/d/files/71035226278.pdfIn PDF document text
  • http://belovosushi.ru/files/xafifozixupukeb.pdfIn PDF document text
  • http://tinhdauvietnam.vn/upload/files/gulexir.pdfIn PDF document text
  • http://floral-design-lindgens.de/userfiles/file/12582797780.pdfIn PDF document text
  • http://websteravelandscaping.com/editorData/file/28192384019.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613958f133c24---xogikemexabigus.pdfIn PDF document text
  • https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/zazirebejunodamazapum.pdfIn PDF document text
  • http://phongkhamthienhoa.vn/images/files/kovovep.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612edefe6e343---wodotikalofizaparugadut.pdfIn PDF document text
  • http://celeb.huh.hu/UserFiles/File/gopepunolosuzuj.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/98910689237.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133f4e456a18---vigonanit.pdfIn PDF document text
  • http://biemmecommerciale.eu/userfiles/files/diwojizorifomal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+fix+download+unsuccessful+in+androidPDF 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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