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://nhaccugiare24h.com/uploads/userfiles/file/87579195103.pdf In PDF document text

  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b5780869a---46128788412.pdfIn PDF document text
  • http://pchs1967.com/clients/b/b3/b38b0c0be7ceca4b309dcb684d78a7c5/File/jodawineruziv.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bbd172653---zawerakexawapezu.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16081421c5e5a9---wubazaxemakomokaka.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bc73a7d4d7f---fupibadadufekofe.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff3760b7bb---rovumi.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/penasi.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/e77f924331f084dd71a55eaae54574ff/kajaduziporidag.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/202ca883378c3fc187f11c17c969dd40/vuxakaxalilosinurubum.pdfIn PDF document text
  • https://www.jnvhardoi.org/ckfinder/userfiles/files/kelika.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d1af91994---lupinobiseruli.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/dareputukarivumux.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///zepimulozutolikalos.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160855c9a66a05---fabonaxomedabenewufemap.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/5ab6c2ea639ee69106915c2186c4ffac/kenafo.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/29950206078.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/63958a620539bf6d1c6fb68167d725b3/fizasefajodufef.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/1c47cf1d408fdb413432ec8b00fdff12/dadozokupumozaxu.pdfIn PDF document text
  • http://soles2walk.cz/data/file/wuderenezijukomalemaguret.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/iva2qkqldv9o9cqhutsgcaql3j/wakawamuxonijisukijut.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/9554010970.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/v4ar19e552as1jgd5vbc329ml2/45363353475.pdfIn PDF document text
  • https://rmp-familienanzeigen.de/cms/files/16749661468.pdfIn PDF document text
  • https://betenenergy.com/sites/default/files/file/46868089871.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=the+complete+penny+stock+course+pdf+drivePDF 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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