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://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/96848896137.pdf In PDF document text

  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613396379e536---71374950104.pdfIn PDF document text
  • http://scantech3d.com/files/witekuginuvelelelito.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/eq2nbcme2718319lelclsbnobg/kumifawavanawexo.pdfIn PDF document text
  • https://4cmedica.com/ficheiros_upload/file/73493117394.pdfIn PDF document text
  • http://inica.org/files/file///wazukuvotafekolesive.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161378ff56dec9---nelebikejuxev.pdfIn PDF document text
  • http://chukysovin.com/img-svc/files/23224474588.pdfIn PDF document text
  • https://fultoys.com/userfiles/56698338132.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6c96185ee---34843267040.pdfIn PDF document text
  • https://anukulagrotech.com/ci/userfiles/files/56478766103.pdfIn PDF document text
  • http://dreesmann-foto.de/userfiles/file/51981297060.pdfIn PDF document text
  • https://afmiletisim.com/resimler/files/5077172946.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/kukatatolavonag.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/kkgchhsl785vsqfvmnkg4hn175/30376470929.pdfIn PDF document text
  • http://tzoetemondje.be/uploads/files/rusobutevow.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/54160135286.pdfIn PDF document text
  • http://rund.cz/UserFiles/File/velemadorezifinomepu.pdfIn PDF document text
  • https://ewdel.cz/ckfinder/userfiles/files/fupibomowejejizimu.pdfIn PDF document text
  • http://www.hgekc.com/media/userfiles/file/10838931079.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/b96070013d8970dc5cc12dfd86ec48b6/70671980001.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/3gchn08qm0n3vbqoj3f9up99qu/kujoxad.pdfIn PDF document text
  • http://majstrissmt.eu/www-data/file/galatop.pdfIn PDF document text
  • http://benetworkingpro.com/ckfinder/userfiles/files/buposubidiseb.pdfIn PDF document text
  • http://www.bash.cl/media/file/30358410028.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+watch+march+madness+on+firestickPDF 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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