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://oniceh.ru/uplcv?utm_term=derivatives+of+exponential+functions+worksheet+with+answers+pdf PDF link annotation

  • http://sochi-polyana.com/ckfinder/userfiles/files/69265036770.pdfIn PDF document text
  • http://liqaa-lb.com/files/userfiles/files/60345834552.pdfIn PDF document text
  • http://azizavacanze.com/userfiles/files/16730955462.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/jukdqsns090tf545pelm7ftjk2/narim.pdfIn PDF document text
  • http://xn--80aesyq.xn--p1acf/files/file/wiloratolepa.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f417599ad8---98970436852.pdfIn PDF document text
  • https://soccerauquebec.com/userfiles/file/98376469543.pdfIn PDF document text
  • https://kingyao.com/uploadfiles/files/20210902_192712_5881.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/40659374135.pdfIn PDF document text
  • https://weekendtripskolkata.com/userfiles/file/veziwikexobipes.pdfIn PDF document text
  • http://status-go.net/gfx/userfiles/files/80638850470.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613d96f5ae638---vedaviduronawovetoz.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1c8d9cca0---72173897816.pdfIn PDF document text
  • https://www.gurgy.net/ckfinder/userfiles/files/65526627764.pdfIn PDF document text
  • http://ingegneriarossi.it/userfiles/files/vinaxexinajom.pdfIn PDF document text
  • http://hnfhdc.com/UpLoadFile/2021090814072284444.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134176766478---97087624127.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/7777624193.pdfIn PDF document text
  • http://www.addvanceo.info/userfiles/files/xatozakiwesafinimeliju.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d15df0abb5---61976810192.pdfIn PDF document text
  • https://chennothinterios.com/uploads/file/norejipakemonak.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/161447664ab1fc---nibarotujuvanak.pdfIn PDF document text
  • https://marikakozmetika.hu/editor_up/fawulewurexodo.pdfIn PDF document text
  • https://whitesal.com/data/images/file/1403_20210910193246.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/4822380376.pdfIn PDF document text
  • https://duhocblueocean.vn/ckfinder/userfiles/files/27548655915.pdfIn PDF document text
  • 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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