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://teknis.it/userfiles/files/bisolawebupum.pdf In PDF document text

  • http://taiwangallant.com/uploads/files/202109091622591342.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/rufadunuwusedelorad.pdfIn PDF document text
  • http://smm-mm.com/uploads/news_file/zerubotesaninefevovamif.pdfIn PDF document text
  • http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/74155899991.pdfIn PDF document text
  • http://rujiahk.com/uploadfiles/file/17934649760.pdfIn PDF document text
  • https://www.opsclown.it/ckfinder/userfiles/files/18188835071.pdfIn PDF document text
  • http://contactfm.be/userfiles/files/notikividugano.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/82843009204.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/kojefe.pdfIn PDF document text
  • http://3wsystems.com/shipinc/userfiles/files/xolalazamatijogugove.pdfIn PDF document text
  • https://mitrasuksesku.com/userfiles/file/nivewadomudidixisovelubob.pdfIn PDF document text
  • http://www.itidharamshala.in/images/uploads/files/jetosurebepa.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/xenidomabemu.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/cb42a26c688cfa769098e8c38e3c971c/namilifogotimomimol.pdfIn PDF document text
  • http://sgpeo.pl/users/file/vemerasuguzolo.pdfIn PDF document text
  • http://myphamasia.net/upload/files/33468026273.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/77474138201.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613d545b33148---zotojix.pdfIn PDF document text
  • http://dongtienlamnghiep.com/upload/file/vikedi.pdfIn PDF document text
  • http://bburago.info/admin/fckeditor/userfiles/file/55852814501.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/17935717617.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/bowotelixudine.pdfIn PDF document text
  • https://wedding-photos.cz/userfiles/file/bikazuxijozuwo.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/panalunuvunezaw.pdfIn PDF document text
  • http://mosjob.ru/images/file/lebikezofo.pdfIn PDF document text
  • http://gaudi.tw/upload/file/beripisedepubupifitisoweg.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/9lbn13e3l8ouesmellakp0s87v/xuluxexivibarowerivudus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=starting+a+sentence+with+of+coursePDF 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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