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://archism.ru/uplcv?utm_term=android+rival+crossword PDF link annotation

  • http://prosefkuchare.cz/userfiles/tajetudisonaselevu.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/80119918706.pdfIn PDF document text
  • http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/22986054589.pdfIn PDF document text
  • https://auto826.vnpec.xyz/uploads/files/gajikidu.pdfIn PDF document text
  • http://easyreturn.store/userfiles/file/nijebefotu.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/7352049741.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/89e585863fc23fe00999926c5f8bd1ab/17079780853.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/funozopivugixorexabuves.pdfIn PDF document text
  • http://zerosquareonline.com/file/2403486789.pdfIn PDF document text
  • https://efsanepin.com/calisma2/files/uploads/mubudukinowutimonilekikis.pdfIn PDF document text
  • http://hengtongblower.com/d/files/mudigozojukewuwewejawot.pdfIn PDF document text
  • http://menifee.hanasushichoice.com/uploads/files/88408712300.pdfIn PDF document text
  • http://tw-sincere.com/upfiles/editor/files/54112709842.pdfIn PDF document text
  • https://hexema.com/FCKeditor/file/jisaguv.pdfIn PDF document text
  • http://kxqcgs.net/filespath/files/20210902234702.pdfIn PDF document text
  • https://ispartaorganizasyon.com/ckfinder/upload/files/91324993933.pdfIn PDF document text
  • http://jacsonsfurniture.com/userfiles/file/72158112932.pdfIn PDF document text
  • https://bulgariapools.com/contents/files/1858801993.pdfIn PDF document text
  • http://baschin-heizung.de/meineBilderAlbertGrundschule/file/92890537522.pdfIn PDF document text
  • http://salonorganica.ru/upload/files/rekari.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffc596f8a4---bejabo.pdfIn PDF document text
  • http://olgapolyakova.de/files/files/46525715752.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614744380fbee---rasomabisudilisoluvelab.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/c7a00e342369e3bd84188bf3e1422fd1/gaverudavazuwur.pdfIn PDF document text
  • http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/72547763168.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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