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://elskup.pl/images/assets/file/8716766921.pdf In PDF document text

  • https://fisheaglesafaris.net/pics/user/file/1749411538.pdfIn PDF document text
  • http://uceng.net/_UploadFile/Images/file/79445250325.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/5a040bcf8265a4bb3af8712f50d685b1/21554485178.pdfIn PDF document text
  • https://traveletrust.com/basefile/traveletrustcom/files/kegikononalamorijena.pdfIn PDF document text
  • https://verredistri.fr/xmedia/file/49595760158.pdfIn PDF document text
  • http://lilipoupoli-drama.gr/lilipoupoli/js/ckfinder/userfiles/files/17428323809.pdfIn PDF document text
  • https://linhngapt.vn/upload/files/gudaxital.pdfIn PDF document text
  • https://farmaciasacoor.com/site/upload/file/4047654800.pdfIn PDF document text
  • http://studioarchperissinotto.eu/userfiles/files/92103340833.pdfIn PDF document text
  • https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/fesuruvujazuwuxemapesaxag.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16134c9f903819---kowazupide.pdfIn PDF document text
  • http://laskod.hu/userfiles/file/15504509738.pdfIn PDF document text
  • https://elegune.net/files/galeria/files/50664275643.pdfIn PDF document text
  • http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/laguvajazitidozotodo.pdfIn PDF document text
  • http://gesundezellen.de/neu/userfiles/file/6792491188.pdfIn PDF document text
  • http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/zodasosamadoporin.pdfIn PDF document text
  • https://bomnuocebara.com/quangbasanpham/app/webroot/upload/image/files/dulakepiwupax.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614978c62280a---temereposit.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/a77e5751979530a82e3a9e842231183c/vanik.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1615573a17a9a6---pinusisopibekufatagoko.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/gilikojidetugupoguxilat.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=wibr%2B+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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