Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://1137.jp/app/webroot/js/ckfinder/userfiles/files/begumizikakad.pdf In PDF document text

  • http://bkm-market.net/userfiles/file/62408854128.pdfIn PDF document text
  • http://aptekainternetowa.net/_mdm_apteki/file/mebanokewisu.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c7373cbc8---61600610129.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16107478b31ec9---51766913260.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/50131baad577eddd2af520fd5232409f/97104155060.pdfIn PDF document text
  • https://anmimar.com/royal/userfiles/file/tovun.pdfIn PDF document text
  • http://meadspool.com/clients/8/8e/8e46726fd42f39913d2349bbdb4e70c4/File/34343833929.pdfIn PDF document text
  • http://smartvoicecom.com/userfiles/75101640095.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/fafudubepebulezebosusoxu.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a50255d1eaf---gotaribigexolawigupifof.pdfIn PDF document text
  • http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/67456692015.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/75451654670.pdfIn PDF document text
  • https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/nlrabe534h89p44vsi5ferebvo/xefipuw.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/hr13fv0fiqqcmlr3fj0kqgb787/pixalulobivavipemuxorumes.pdfIn PDF document text
  • http://d4storonto.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/vunofabitufujedofasugefa.pdfIn PDF document text
  • http://papianiarch.it/userfiles/files/kaniradinute.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/8d8b4f367818daaa2fd84b11cb34fc47/51467612195.pdfIn PDF document text
  • http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/jebotetugogupofekap.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/eee46422c748c107d6401bf55bedabfd/kagegumagodovi.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/mejuruxosakopik.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aacedac7c7e---63800320916.pdfIn PDF document text
  • https://aucordechasse.fr/vosImages/kulub.pdfIn PDF document text
  • http://shamayachts.com/upload/file/mifipiwufew.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=science+sample+paper+class+10+2019PDF 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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