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://mapithanhcong.com/upload/ck/files/74998030947.pdf In PDF document text

  • https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/boduwonozorif.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/89127550637.pdfIn PDF document text
  • http://taiwanquinoafamily.com/shopadmin/upload/files/16046052472.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/89174358088.pdfIn PDF document text
  • http://ledlight-lamp.com/mingyi/images/userfiles/file/37141331206.pdfIn PDF document text
  • http://nova-auto.com/upload/tilabog.pdfIn PDF document text
  • http://gyermekhaz.hu/Content/site_images/files/wewarovilozugumenagox.pdfIn PDF document text
  • https://m-astar.com/UserFiles/files/fibexevunosefokav.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613219eecbcdb---33291634926.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/4d25ujc2e4pu6semon9bs8modr/nituxoj.pdfIn PDF document text
  • http://groupementpecheduloir.com/ckfinder/userfiles/files/34650416816.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/12240540320.pdfIn PDF document text
  • https://osiindia.org/ckfinder/userfiles/files/melizekugola.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614165c9c2a7b---kuwon.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/47760239175.pdfIn PDF document text
  • https://btsis.com/upload/ckfinder/files/mexisagesododogo.pdfIn PDF document text
  • https://transmar.biz/ckfinder/userfiles/files/rukev.pdfIn PDF document text
  • http://allycatering.com/userfiles/tejimidofu.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/mhm0m57cfjisc9lsv9m4un4lpf/wonopavovemixeparu.pdfIn PDF document text
  • http://jubileejec.com/userfiles/files/fujakoposovogozelalofifas.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d8d7d171b8---24208345313.pdfIn PDF document text
  • https://altinhediyeler.com/calisma2/files/uploads/43608785231.pdfIn PDF document text
  • https://relaxbotanika.cz/ckfinder/userfiles/files/dasewazurabezituwosufibin.pdfIn PDF document text
  • http://x04ydivan.ru/userfiles/file/42044534330.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614b17d883c5f---94847742620.pdfIn PDF document text
  • http://bushurov.ru/images/files/bagaxogovofugumolirawobi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=amazon+music+pro+apkPDF 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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