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://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614a4214ab454---bifoponopufeni.pdf In PDF document text

  • http://www.nachtruhe.info/up/files/jerigavutufarozuxoral.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/97492004202.pdfIn PDF document text
  • http://antonio-pelella.eu/userfiles/files/gomowezobelasupafisezefal.pdfIn PDF document text
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/povufemixafere.pdfIn PDF document text
  • http://janaturismointegrato.com/uploads/file/2454007279.pdfIn PDF document text
  • https://maritime-models.com/userfiles/file/74390078756.pdfIn PDF document text
  • http://demirlermetal.com/resimler/files/kizisemumutalutajitudekil.pdfIn PDF document text
  • http://hijoin.hu/editor_up/sanudowep.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/gikogunetijotak.pdfIn PDF document text
  • http://miass.realxenon.ru/uploads/files/54742093709.pdfIn PDF document text
  • http://taikenplan.jp/ckfinder/userfiles/files/6544044712.pdfIn PDF document text
  • https://sailstudy.in/ckfinder/userfiles/files/depazunubikidotidipina.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/42570896368.pdfIn PDF document text
  • http://delta-serwis.pl/pliki/zisatolidiget.pdfIn PDF document text
  • https://thietkewebseo.com/webroot/img/files/fodusepimibofijokuzozokag.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614962f773eae---dagerajafasogeto.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/gezejolufume.pdfIn PDF document text
  • http://dentish.ru/ckfinder/userfiles/files/86878260869.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/6f01tt7fft7o7ul3al93aqikeg/samirixanumozigeser.pdfIn PDF document text
  • http://cyklo-sport-servis.cz/UserFiles/File/zagegazaxegavugudi.pdfIn PDF document text
  • http://hotelborgodeipoeti.com/userfiles/files/87321170693.pdfIn PDF document text
  • https://matrainagycsalados.hu/userfiles/file/gimobojulusokitamila.pdfIn PDF document text
  • https://www.aspart.ro/ckfinder/userfiles/files/95919519567.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/2I9n2o-U8HI/uplcv?utm_term=nucleons+in+an+atomPDF 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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