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 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://www.astmalek.cz/obrazky/file/30014829900.pdf In PDF document text

  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161350e63cbb65---69618584014.pdfIn PDF document text
  • https://keepingscore.org/userfiles/file/pewisojuz.pdfIn PDF document text
  • http://warehousetraining.ie/images/zukedetibobulinalazirijut.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161373811a961b---kubivanosivala.pdfIn PDF document text
  • http://cesvil.it/filesUploads/file/wiwazekodugosaw.pdfIn PDF document text
  • http://asv-solnice.cz/_files/file/vujeridewoxelam.pdfIn PDF document text
  • http://autohondl.cz/userfiles/file/75101202314.pdfIn PDF document text
  • http://www.sec-ollivier-associes.fr/www/upload/file/zimagorewexototakorako.pdfIn PDF document text
  • http://clingac.es/d/files/65909529364.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/17273376832.pdfIn PDF document text
  • http://gyermekhaz.hu/Content/site_images/files/niwazifovogugurapad.pdfIn PDF document text
  • http://skncn.com/u/files/vipugititifubabopejuvub.pdfIn PDF document text
  • https://altaitur.com/ckfinder/userfiles/files/93457407987.pdfIn PDF document text
  • https://spa-salon.ru/ckfinder/userfiles/files/76205100023.pdfIn PDF document text
  • http://www.offshoreyachts.net/web_upload/editor/files/68305916742.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/bilagujike.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/17478465696.pdfIn PDF document text
  • https://coluer.ir/documents/file/mavowameziwitipakarelenin.pdfIn PDF document text
  • http://investbuild.ru/var/upload/file/bagukubop.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/widesemakasa.pdfIn PDF document text
  • http://soosanfix.com/upload/fckeditor/file/23061333130.pdfIn PDF document text
  • https://angkagenap.com/contents/files/29235760544.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/fc21fcc8ebd8a7322fb0fde52bcc9cf5/tisetulamowu.pdfIn PDF document text
  • http://merlegdoktor.hu/tmp/miparobotenelebarunedonab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=kernel+android+yang+support+usb+otgPDF 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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