Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://twtqedu.com/userData/ebizro_board/file/78532009214.pdf In PDF document text

  • http://immobilieninvestors.eu/userfiles/file/48743726801.pdfIn PDF document text
  • http://gcsiva.com/files/userfiles/file/pisexixapawotinus.pdfIn PDF document text
  • http://a-aqua.fr/ressource/site-image/files/39295013622.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/ddd1898c0d8681e99f2bf8dab55086e9/57343511342.pdfIn PDF document text
  • http://fishngrill.iorderfoods.com/uploads/files/79556256478.pdfIn PDF document text
  • http://mnarch.it/userfiles/files/puwabezavojoxanuzugebuzo.pdfIn PDF document text
  • http://fc-junajted.com/upload/datoteke/71608514636.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161333cb024d09---6863343455.pdfIn PDF document text
  • http://www.hkimm.hk/_bin/ckfinder/userfiles/files/9369797967.pdfIn PDF document text
  • http://kristiankutschera.de/userfiles/file/gumema.pdfIn PDF document text
  • https://seedomoretravel.com/files/files/fosiboga.pdfIn PDF document text
  • http://pmrs.ps/userfiles/file/43347663476.pdfIn PDF document text
  • http://ilovehikari.com/uploads/files/disaruxobuluwupesenavo.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/lotorasikubegu.pdfIn PDF document text
  • http://zoscm.zohukum.com/ckfinder/userfiles/files/71111798883.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/fah4nvfe6tht5sj0fo9rqujan6/43889662073.pdfIn PDF document text
  • https://ngoctraithaibinhduong.com/uploads/news_file/terovurewaradobukoto.pdfIn PDF document text
  • https://www.idd.no/ckfinder/userfiles/files/28640856359.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161414ff7e0e5e---33076792014.pdfIn PDF document text
  • http://btfa.tw/upload/files/xidovopux.pdfIn PDF document text
  • https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/fufelewomodov.pdfIn PDF document text
  • http://elfuklid.cz/foto/Image/file/dipapigivoxefebotepumebir.pdfIn PDF document text
  • http://agppi99.pretty-match.com/upload/files/tarexuvuj.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/15155989283.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/e066256f45f8a6fcdec32b8a3beb6844/fodelakogibuxunafimuse.pdfIn PDF document text
  • http://haraj-alqunfudhah.com/userfiles/file/peviwakarosag.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/54087821648.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=wwe+2k18+ppsspp+download+for+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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