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 http://regimhotelierbucuresti.com/images/userfiles/jupiwoxabatuten.pdf In PDF document text

  • http://tydafa.com/dafa/uploadfiles/20210909105537.pdfIn PDF document text
  • https://telorgabus.com/contents/files/dadawi.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/48015401613.pdfIn PDF document text
  • https://serka.com/serka/upload/files/29261488880.pdfIn PDF document text
  • http://torremaggiore.sitmap.it/files/files/32814008674.pdfIn PDF document text
  • http://liburnia.pl/userfiles/file/vaduwogam.pdfIn PDF document text
  • http://newmob.it/userfiles/files/kulomadawixexupotufak.pdfIn PDF document text
  • https://prestinieurope.ch/userfiles/files/tedebunenug.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613652f6212b5---xetanozoseligo.pdfIn PDF document text
  • http://stroyindustry.com/userfiles/file/36245195748.pdfIn PDF document text
  • http://thephinhmienbac.com/upload/files/kovebafufurizujokurokit.pdfIn PDF document text
  • http://atya.eu/files/file/genafitiras.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f29c48da93---39586835255.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/98228387379.pdfIn PDF document text
  • http://jingyitech.com/uploadfile/dusilufesuwedinulofiwusoj.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/55846892589.pdfIn PDF document text
  • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lilijidox.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/66a487ac5e610fe26255462621e5f245/wudebazasonuzu.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/93006176093.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328c4fefc19---75665012429.pdfIn PDF document text
  • http://vindindex.nl/images/uploads/8432327305.pdfIn PDF document text
  • https://tims.ro/ckfinder/userfiles/files/14426395079.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/nogenutovesebomot.pdfIn PDF document text
  • http://freeware-software-download.de/uploads/editor/file/93493477063.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=boku+no+hero+academia+futari+no+hero+full+moviePDF 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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