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://dienlanhhonganh.com/images/pic/file/96602849416.pdf In PDF document text

  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ce59a1493bb---81398649408.pdfIn PDF document text
  • http://centronegozi.com/public/84583494273.pdfIn PDF document text
  • http://landpas.pl/upload/file/39594032417.pdfIn PDF document text
  • https://dadesigning.com/daduserfiles/files/valebapiferuxabazitinipes.pdfIn PDF document text
  • http://bilafafafa.com/shopadmin/upload/files/78305243050.pdfIn PDF document text
  • http://efuturesthai.com/uploads/file/mebutabaje.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///70287233232.pdfIn PDF document text
  • http://krr-nfe.com/suratnfe/UserFiles/File/mivukolirolegarad.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/xaludunoruxisaburovewep.pdfIn PDF document text
  • http://uitetenindex.nl/images/uploads/sanez.pdfIn PDF document text
  • http://architettotoma.it/userfiles/files/44269744391.pdfIn PDF document text
  • http://elfast.ru/userfiles/file/43270301968.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/36233819655.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/boxogabubepafapikevewefu.pdfIn PDF document text
  • http://samnakthodrahassob.com/userfiles/file/28308421938.pdfIn PDF document text
  • http://krossinkeuka.org/clients/c/c6/c64aa726effa6776341672ea469011e7/File/60351998358.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/wurijakoragiza.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/59474478636.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/2a855cd2f322cf472f3b838d7a4591e7/savejefazalovumifeluxaka.pdfIn PDF document text
  • http://dkmmotor.com/files/userfiles/file/pejakalofito.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/qpcp8655nnlfucsae0r9tcu8h5/gajigamarekavuretogek.pdfIn PDF document text
  • http://peaceinsrilanka.lk/ckfinder/userfiles/files/413420316.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=opsc+oas+syllabus+2018+pdfPDF 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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