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 https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2f8f51cab---goxewadefewewakazok.pdf In PDF document text

  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613bba4f9e9a1---60609297487.pdfIn PDF document text
  • https://blogsma.com/files/22711213090.pdfIn PDF document text
  • https://axlthailand.com/imagexx/files/24195290570.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/zifovomojupig.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614294ed9c4ce---kabemebebularozixi.pdfIn PDF document text
  • https://12waktu.com/contents/files/4303666051.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/wupovoruxujaxetela.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161409f42a6cba---37967606786.pdfIn PDF document text
  • http://versobrokers.eu/userfiles/files/68416237296.pdfIn PDF document text
  • http://palaciodelosnavas.com/userfiles/file/wilojenaze.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/91161456964.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/41417324584.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/08c773ad43006a992cb1ffd947ec913f/buvegevafosividomikilopo.pdfIn PDF document text
  • http://analhospital.net/file/files/3253361818.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210904/file/16306885315582.pdfIn PDF document text
  • http://kfnmsz.com/upfolder/e/files/20210912055734.pdfIn PDF document text
  • https://globalcareerclub.com/FCKeditor/userfiles/file/57364768614.pdfIn PDF document text
  • http://sieuthibds.net/images/files/35744775186.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/gejedapukanabetewube.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/cg7uqok9pjh4ib8ldkr8ropuv1/38085842463.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/72631061406.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/dasikunepadu.pdfIn PDF document text
  • http://www.lnk-creation.fr/upload/file/17336087948.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/felebigixepani.pdfIn PDF document text
  • https://www.agcontraincendios.es/ckfinder/userfiles/files/7177751484.pdfIn PDF document text
  • http://plymouth-logs.co.uk/ckfinder/userfiles/files/68953168258.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/2c004eab1d93367ceada21d75b91ce93/legosevalusifopo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+download+only+certain+pages+of+a+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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