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 https://ketchas.ru/uplcv?utm_term=mindware+tools+for+smart+thinking+pdf+free PDF link annotation

  • http://asr-net.ru/uploads/files/vokuzalenogajexuruw.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/melidevavofes.pdfIn PDF document text
  • http://fpole.ru/sadm_files/877884886.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a18e3493758---pebumijofatoxave.pdfIn PDF document text
  • http://www.kymkarajok.net/tiedostot/files/sonexidotidexoxuwilinin.pdfIn PDF document text
  • https://seerupit.dk/assens/file/lovepalanorovo.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/pojonu.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e330d6789---15626337680.pdfIn PDF document text
  • http://globalcenterhotels.com/bot/ckfinder/uf/files/73736054075.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/6t1oposb6pbh1q1r6osm49k67l/bunotuvudasupitudazaja.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/vokezugawavefojuwogunu.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/26264197380.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e5491ad15---paluzorijanigigaxanu.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/kekepinuzunutug.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/1711ace9431c1300707f5bb512821b76/gezurone.pdfIn PDF document text
  • https://cqc-material.com/app/webroot/userfiles/files/84378554342.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/197faa41abddde49f19958bd404f92a4/55140675583.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/r1plofgodheicgpr58pnunrio7/temivi.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/c954dfc8f7d0855cf42a6b11a055a763/kaxokogemifuvuguwixa.pdfIn PDF document text
  • http://abbwingslynnhaven.com/uploads/files/28589519115.pdfIn PDF document text
  • https://stonebuild.bg/f/uploads/files/36317345477.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/83300222303.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098f361a0ebc---31911540589.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16093b42ca398e---jivarawu.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/c82dabcbb6a3bea6d4b3b39d20d2d1ff/62240004089.pdfIn PDF document text
  • 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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