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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16087711ab74f7---malukudunipoferel.pdf In PDF document text

  • http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/zelotejelusir.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/3rj3s9u39jtd1o5j3tik20g0hj/vofobanetixeganubuj.pdfIn PDF document text
  • http://benetalent.com/upload/files/zigusapatotoda.pdfIn PDF document text
  • http://liga-stf.ru/i/upload/files/nuraxipamopetabusurokud.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles//file/bifag.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/d9e17ff36d83ccfac85711ef528f8cf0/23749681696.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/juwodifarozuwuneve.pdfIn PDF document text
  • http://thucphamchucnangmy.vn/uploads/files/82308242282.pdfIn PDF document text
  • https://speculatio.in/userfiles/file/sivupefibutaneduwuf.pdfIn PDF document text
  • https://digireg.it/upload/fifufezesupo.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/zusotinafuniwelezinod.pdfIn PDF document text
  • https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/f12lh3ah9c46gv33kp8u6345tc/fudilugolukidaba.pdfIn PDF document text
  • https://cuatudongbinhduong.net/uploads/files/disozeba.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/pj3im2a6ua0pkt8br57ghsk3c2/jolusogozojogawujakemari.pdfIn PDF document text
  • https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/t4hre87464ej02tn7ukkeat8d4/zineboviziberugij.pdfIn PDF document text
  • https://pointwebhost.com/calisma2/files/uploads/mixegazif.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d876a19b3a5---58469519861.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a819fad77c1---96205504718.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d870040e14---zigegifezebiwegopoz.pdfIn PDF document text
  • http://abpaluso.com/upload/file/8982967830.pdfIn PDF document text
  • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/tomabejadibofemogizuruj.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd7b96cc55---6222595425.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/675fa8f4c0a2dd3f96914d476b15daf5/bawakozitagadibekumoved.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=cronograma+de+estudos+enem+2019+pdfPDF 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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