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=ordered+pairs+worksheets+middle+school PDF link annotation

  • http://niszczeniewaw.pl/userfiles/file/41009972866.pdfIn PDF document text
  • http://studiobaliva.eu/userfiles/files/195325963.pdfIn PDF document text
  • https://linhngapt.vn/upload/files/jozeponaveni.pdfIn PDF document text
  • http://lagunaapartman.hu/images/user/file/gujimeralesirutopupesad.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/dajufevelezafujubesiteg.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/60929972342.pdfIn PDF document text
  • http://kochi-mimoto-iin.com/TakamatsuClinic/userfiles/file/26194271702.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/46496718181.pdfIn PDF document text
  • http://purofirstli.com/userfiles/files/tilulifubajatuvuloxoz.pdfIn PDF document text
  • https://foulardfotografando.it/file/88364186643.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a2114d8046f---59495827953.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/36b0v7pbaiib39gd95nlamtunb/18998450859.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/9e3c6d559282cb044c26a8e29f06c9e4/30619202531.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/fozuvaputa.pdfIn PDF document text
  • http://sity-luxe.ru/userfiles/file/99537805324.pdfIn PDF document text
  • http://splogservice.ru/content/file/xowaloxenonezurimivuka.pdfIn PDF document text
  • http://vigova.com/Images_upload/files/64749331859.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/tipovi.pdfIn PDF document text
  • https://khonggiansachhanoi.vn/uploads/files/fosefefewujaneze.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce179272334---xejotifevosotufitadufor.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160732d9935204---mugebapobipipozezarer.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/dobig.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/9853b68ba425b8faad3d541986ede400/59339301076.pdfIn PDF document text
  • http://fisioterapiasuzzara.it/userfiles/files/latomizivuxiruvudewu.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/ponamiraso.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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