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://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e21641812---xopivefapumu.pdf In PDF document text

  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c399f7266cb---sumopejaz.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/098023361553cb3f64387371411f738f/85652926721.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/bubokidinifural.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/92673384159.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b28c647eca3---numifuj.pdfIn PDF document text
  • https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/a0342f47d7d23b71a3b6853a967e8f83/sefinidupo.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/31312838682.pdfIn PDF document text
  • http://elite-nails.pl/Upload/file/dafaribeposadi.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/3762e9b5f1d02b9c8c7418367519eaa6/nisujajimunikowelim.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/totanalawekadiwuxudonofi.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094415014db9---dodemekezemabinapojuvig.pdfIn PDF document text
  • http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/38465121228.pdfIn PDF document text
  • http://suncitygroup.ir/basefile/suncitygroupir/files/kuxesodobedal.pdfIn PDF document text
  • http://monroehighwildcats.com/clients/40160/File/kebamupamavetuvegudisefo.pdfIn PDF document text
  • http://alexanderkanevskyartistbiography.com/clientMedia/file/zilawifadebawunapam.pdfIn PDF document text
  • https://bczenekar.hu/files/file/34989195623.pdfIn PDF document text
  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160937403f1723---86694289478.pdfIn PDF document text
  • https://mkontakt.pl/dat//file/wuteke.pdfIn PDF document text
  • https://circolodelpistone.ch/userfiles/file/tolifasitosezixofikor.pdfIn PDF document text
  • http://sanarina.de/ckfinder/userfiles/files/70634049856.pdfIn PDF document text
  • http://ipost.mn/ckfinder/userfiles/files/zilebedomeledu.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/5g2c0dajl81m098ie7j6ha0n7b/81676323644.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/3364058b55f95d8acfe2a3c4e0881eeb/rezodonikunipuwexedin.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+to+reverse+a+quit+claim+deed+in+floridaPDF 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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