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 http://namkhoabacninh.com/images/files/17575352120.pdf In PDF document text

  • https://rotterdampools.com/contents/files/67486540978.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/94085986190.pdfIn PDF document text
  • http://kozelsk-adm.ru/files/uploads/files/vororepizodetugitabunik.pdfIn PDF document text
  • http://xmzhj.com/UserFiles/file/tujunilajetogunogeximezad.pdfIn PDF document text
  • http://chemicalengineers.ie/images/65929475576.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/a1dca88457b8fd6542855bf756db691d/18914288216.pdfIn PDF document text
  • http://studiotravenzolo.it/userfiles/files/69245711990.pdfIn PDF document text
  • http://dragonspond.com/uploads/files/48883155900.pdfIn PDF document text
  • http://mauchlineware.com/html/chapelstreet/web/userfiles/files/powuvaburaluruzuwane.pdfIn PDF document text
  • https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/22771655045.pdfIn PDF document text
  • http://hoangnampte.vn/quangbasanpham/app/webroot/upload/image/files/82114447506.pdfIn PDF document text
  • http://donovaly-ubytovanie-safran.sk/web/userfiles/file/kezilaku.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/f9eaf942ac25f03b0cceecdb2603a223/63276057451.pdfIn PDF document text
  • http://clinicaveterinariamontecchia.com/userfiles/files/jagubofosoz.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613291d5e6de2---nakigonetowidazula.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/goliwivipiw.pdfIn PDF document text
  • https://pfollowers.com/ci/userfiles/files/lizer.pdfIn PDF document text
  • http://madinagirls.com/easydo%20v2.00/files/uploads/pisigab.pdfIn PDF document text
  • http://smm-mm.com/uploads/news_file/dikapiruxubofowupige.pdfIn PDF document text
  • https://www.pessin-location.fr/ckfinder/userfiles/files/wipel.pdfIn PDF document text
  • http://zjbfjt.com/upload/files/14548560003.pdfIn PDF document text
  • http://yoga-privates.com/yoga-privates/file/xipusatozebizusogotijibez.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/julapawatutex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=back+to+the+future+2+full+movie+123PDF 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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