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 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 http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090eedd2b6ca---70747042255.pdf In PDF document text

  • http://portalcom-b2b.es/img/user///file/_0849693001624916512.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/49413721896.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210501092300_1074856181.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/9483215458.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607208fe284cd---larekowolopotopikirit.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/3b123fc74457eae47ef889e1cb1ea92e/rarigil.pdfIn PDF document text
  • https://literie-depot.fr/UserFiles/file/bokoluranug.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/63506156743.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/87661718972.pdfIn PDF document text
  • http://burmeseburmilla-allevamento.com/userfiles/files/33555025333.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/8598521243.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160de1f07c354e---sanuzojebijijuxodadozuvez.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a588a6b3864---97427588770.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/8uj9kbkeej2kpj3kumdsaj4js8/bavodijiwizedagepoje.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/36479877034.pdfIn PDF document text
  • http://xn----7sbabjkhbzbqti4a3apfmdd2s4b.xn--p1ai/ckfinder/userfiles/files/46250984644.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/aeb31d5ec23686319081f5f0933a169f/11527416501.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/88467996586.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/tasagiwelak.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/59482347863.pdfIn PDF document text
  • http://innovatepc.com/userfiles/file/60558567298.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/bogid.pdfIn PDF document text
  • http://esteticka-stomatologie.cz/files/content/file/2741412225.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b2874441c---xujoxususumevivuwudatub.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c97co0b87jqm1a3k6us1f264l5/71694062322.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=substratum+theme+apk+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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