Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://ragaz.co.za/YmrXLWy8?keyword=mcquay%20chiller%20model%20number%20nomenclature%20diagram%20worksheet PDF link annotation

  • https://handientu.vn/userfiles/file/9464826815.pdfIn PDF document text
  • https://fusidaxeda.weebly.com/uploads/1/3/1/4/131453850/793003.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/d2ea0ee751dda6e07cc9e3e09654d87f/35655276373.pdfIn PDF document text
  • https://caffetravel.travelshops.pl/userfiles/file/94193718085.pdfIn PDF document text
  • https://podzamcze-dobczyce.pl/admin/kcfinder/upload/files/fujivugudatarelakaporew.pdfIn PDF document text
  • https://zisosanoxu.weebly.com/uploads/1/4/1/7/141706416/nolov-dagedubolod.pdfIn PDF document text
  • http://4bzsoftware.com/Images_upload/files/18470676371.pdfIn PDF document text
  • https://toneditikam.weebly.com/uploads/1/3/4/6/134683764/peterasobizej_taripovaruri_tefagopesifegi_betowejaloma.pdfIn PDF document text
  • https://vidaleve.net/ckfinder/userfiles/files/fujosu.pdfIn PDF document text
  • http://mypham.privia.vn/userfiles/file/busuzedorubebafenijisinis.pdfIn PDF document text
  • https://cronos.jptecnicascr.com/yiicms/ckfinder/userfiles/files/80318434352.pdfIn PDF document text
  • http://hdg-gmuend.de/userfiles/files/majefokoze.pdfIn PDF document text
  • http://novafish.it/userfiles/files/66471567319.pdfIn PDF document text
  • https://zumavoga.weebly.com/uploads/1/3/1/3/131383266/fopabetiw_zesegipu_sidovuvinosa_zuponizujux.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1622cc7b87444a---didafejubirolunomuwaxot.pdfIn PDF document text
  • http://muzeumostrowiec.pl/obrazy/file/nekibivinikabonudunomuz.pdfIn PDF document text
  • http://intertermo.nl/userfiles/file/podorujapulazapoloxago.pdfIn PDF document text
  • https://mudodikakagiluz.weebly.com/uploads/1/3/4/5/134598929/9470540.pdfIn PDF document text
  • http://jcsh.bluezp.com/ckfinder/userfiles/files/wibulekovowesolebafenised.pdfIn PDF document text
  • https://kameno.bg/userfiles/files/bifezutomemumovajenajaku.pdfIn PDF document text
  • https://pofubelepegeva.weebly.com/uploads/1/3/0/7/130776421/2d95c013b.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1625ee75f56425---detifefe.pdfIn PDF document text
  • https://kixakusafi.weebly.com/uploads/1/3/4/8/134891224/e8ceb2e58cc4c.pdfIn PDF document text
  • http://getem.pl/files/file/dolotebuxedeborubumija.pdfIn PDF document text
  • https://gajarasanen.weebly.com/uploads/1/3/4/7/134714971/pilomijimuvotu.pdfIn PDF document text
  • http://topp.pl/_topp/file/46265279818.pdfIn PDF document text
  • http://www.bitstream.comIn extracted file (font_00_sfnt_off00006c19.bin)
  • 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 extracted file (font_02_sfnt_off0000b588.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000b588.bin)

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