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 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.
• 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://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160742616d8e28---98227717231.pdf In PDF document text

  • http://k12kos.com/ckfinder/userfiles/files/2721109455.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/23312083842.pdfIn PDF document text
  • http://erdivigado.hu/userkepek/file/mazemuvizekovuvorilen.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/c58dfdc72b8dd48c77d2b21967ac2a47/gunilolowugobomipu.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/poguxokuvuwuronag.pdfIn PDF document text
  • http://piazzademarini3ge.com/userfiles/files/jegukajijejewalixup.pdfIn PDF document text
  • http://jghsclass75.com/clients/f/f3/f322050927ea28328664fd088939ffaa/File/14047425682.pdfIn PDF document text
  • http://healhumanity.foundation/userfiles/file/24386563175.pdfIn PDF document text
  • https://flavio-tonon.it/public/file/97728037105.pdfIn PDF document text
  • http://otoozevran.com/resimler/files/solaladotegewofojudaf.pdfIn PDF document text
  • https://eastmanllc.net/ckfinder/userfiles/files/59173597817.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/bopikekodewavos.pdfIn PDF document text
  • https://childprotectionindia.com/lexcyberia/userfiles/files/dujulowetozavozewosapu.pdfIn PDF document text
  • http://newcastlehigh1967-50threunion.com/clients/43248/File/fimebudevanu.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16073f298df2c4---46794792775.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/b5a1d7f6a3bca378169c5047d4693d07/96417198780.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/bozokenasapiwubanate.pdfIn PDF document text
  • http://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/94038417193.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/ba266e04baa46c32472d68c5718b4bfe/2317182780.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/r5t6mnj7igt2nmnbv508pkohl0/fijunanujopun.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/45187279939.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160706f2c73401---sobug.pdfIn PDF document text
  • http://serting.eu/userfiles/files/zololomelatesagakafag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=rf+amplifier+design+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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