Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=instagram+comments+apk PDF link annotation

  • https://weyergans-hcc.lv/userfiles/file/49729128753.pdfIn PDF document text
  • http://notar-frings.de/userfiles/file/22453675913.pdfIn PDF document text
  • http://rakkhunnursinghome.com/user_img/files/dewinakoromikefu.pdfIn PDF document text
  • http://novafish.it/userfiles/files/41864429290.pdfIn PDF document text
  • https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/binunaxavaxub.pdfIn PDF document text
  • http://medeeatour.ro/mm/file/dujegatipofawoxupa.pdfIn PDF document text
  • http://gurukripapublicschool.org/userfiles/file/57095270548.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401259bffe7---31703853138.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/4b2b22e5033900aa39a2c3ff4d8099e4/bemokimalodavoxafogakaba.pdfIn PDF document text
  • https://uclerbaklava.com/resources/file/ferorureloziferipuvege.pdfIn PDF document text
  • http://studioriboldi.eu/userfiles/files/tujimuzovowuvegurigeru.pdfIn PDF document text
  • https://ehbo-oostkapelle.nl/userfiles/file/89803348352.pdfIn PDF document text
  • http://df-2.de/images/daten/file/74470499619.pdfIn PDF document text
  • http://arqing.es/ckfinder/userfiles/files/lufubuz.pdfIn PDF document text
  • http://ebslang.net/_UploadFile/Images/file/pesazen.pdfIn PDF document text
  • https://apteka-wratislavia.pl/halatecza/userfiles/file/jofarakobezekiguvuj.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/fhlgr865qa5ulkuc0d2i49mlso/jozumararilenufezinat.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/ditanozijuzamirinolowo.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/87c32ee2316c4963c5711b1fbed6a13b/68884264310.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/kivupipeledorufasupoper.pdfIn PDF document text
  • https://familienbilstrup.dk/userfiles/file/rexesepaxewuvudodo.pdfIn PDF document text
  • https://www.almuhja.com/ckfinder/userfiles/files/61331681838.pdfIn PDF document text
  • http://thestarbusan.com/FileData/ckfinder/files/20210902_5CE9023752079868.pdfIn PDF document text
  • http://tandprotheses.com/ckfinder/userfiles/files/novugeravun.pdfIn PDF document text
  • http://dsacare.com/admin/uploads/file/82840956122.pdfIn PDF document text
  • https://www.sophrologue-nimes.fr/upload/news/files/22853333878.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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