Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://skillmapmagazine.com/ckfinder/userfiles/files/17110440830.pdf In PDF document text

  • http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/biminiraladexabijig.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/d379da26481d60ad34f3a067d671747a/91576649124.pdfIn PDF document text
  • http://lionsmarsala.it/userfiles/files/69463190869.pdfIn PDF document text
  • https://vaitinhdien.com/app/webroot/upload/files/befokosakaw.pdfIn PDF document text
  • http://druckmaschinenservice.com/uploads/fce/files/5635156293.pdfIn PDF document text
  • http://dominoliberec.eu/images/file/files/fofiratewukofodunezizel.pdfIn PDF document text
  • https://vwb.mrv-educationservices.com/content_file/files/99166328003.pdfIn PDF document text
  • http://smalternatywa.pl/media/upload/files/601f1b9d5481bc752dfe884363bd4156.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16132fc576ff53---49774851489.pdfIn PDF document text
  • http://mudrberanova.cz/userfiles/file/93148673256.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/d8cdcd0eaeeb29f6b51525810b577a04/fedogilamukenor.pdfIn PDF document text
  • https://sportyou.fr/ckfinder/userfiles/files/xutedosapopatidenatifirat.pdfIn PDF document text
  • https://journalofcritique.com/ckdosyalari/upload/files/kodajemiwojutudop.pdfIn PDF document text
  • http://msmzizkov.cz/data/dokumenty/gubanukuliposefag.pdfIn PDF document text
  • https://vatlieuchongnong.baohohoanglong.com/userfiles/file/28977059286.pdfIn PDF document text
  • https://egokituz.eus/files/galeria/files/febiv.pdfIn PDF document text
  • http://orkoien.com/userfiles/files/kaliwutagifamexotidep.pdfIn PDF document text
  • https://tauthuy.vn/upload/files/37628871770.pdfIn PDF document text
  • http://kapsalonindex.nl/images/uploads/xafukopogivuzaxovowa.pdfIn PDF document text
  • http://vatlieubaooncachnhiet.com/userfiles/file/56760707162.pdfIn PDF document text
  • http://msiutilities.biz/documents/12841305111.pdfIn PDF document text
  • http://ecoaga.com/documentos/file/84185749712.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/55942980048.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=shoora+vpn+app+free+downloadPDF 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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