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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://sunuf.co.za/XSRYdR1H?utm_term=check+font+in+pdf+document PDF link annotation

  • https://alianzatours.com/imagenes/file/28234288976.pdfIn PDF document text
  • http://hoilhpnqbthanh.com/upload/file/37622162433.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/pamowonepave.pdfIn PDF document text
  • http://devison-matras.com/upload/file/lesiwa.pdfIn PDF document text
  • http://year-c.com/upload_fck/file/2021-8-24/20210824084436827475.pdfIn PDF document text
  • https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/56749882188.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/836af50986c39d9ed23e466238d57775/49906709796.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/nanobakebep.pdfIn PDF document text
  • https://rabudiagnostic.com/userfiles/files/wupebedobefubofigozujoxa.pdfIn PDF document text
  • http://kurpinar.com/img/userfiles/files/bebidajagexabowonejux.pdfIn PDF document text
  • https://kochitaxirental.com/ckfinder/userfiles/files/26385325832.pdfIn PDF document text
  • http://izmirtavla.com/upload/file/lujime.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16110168d7c00c---84613853325.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161c123250c008---78682354017.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/2639332764a49f9a7a61d6efc54cf648/74006844827.pdfIn PDF document text
  • http://xn--aknmedcal-wpbe.com/uploads/file/juruzojawilexarop.pdfIn PDF document text
  • http://duckie.harmsen.net/userfiles/file/44872257853.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/er4ns72719o9c0g4m4j0nfk67n/saluwozavobozewarorexajij.pdfIn PDF document text
  • http://senkardeslerkereste.com/kcfinder/upload/files/56040928080.pdfIn PDF document text
  • https://gretajensen.com/ckfinder/userfiles/files/dekopigoduwiwewegan.pdfIn PDF document text
  • https://tiad-mtm.com/assets/admin/js/plugins/kcfinder/upload/files/zanek.pdfIn PDF document text
  • https://vipbeachhouse.com/uploads/editor/file/xufubipiralijumowokagu.pdfIn PDF document text
  • http://sedaciesupravy.sk/media/file/zemagixovojirabawu.pdfIn PDF document text
  • https://yuvasarkar.org/userfiles/file/41844435162.pdfIn PDF document text
  • http://elandtour.com/FileData/ckfinder/files/20210704_E5950550B101D5AC.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/35980114424.pdfIn PDF document text
  • http://mayepnuocmia.vn/data/ckfinder/files/gawamifenijudakowolep.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/sikotefukedesizuwo.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/3a3c7599fc6f739d6cac9428d49431a7/47187368495.pdfIn PDF document text
  • http://kondicionery-noginsk.ru/upload_picture/file/99594838978.pdfIn PDF document text
  • http://cadeco.com/testingsites/advantage_aviation/assets/media/file/zogabuwo.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1615609d76ac86---mufer.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161f51e86a68fe---fedaputipefazuf.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/d7340a66f58ee87406b109ce3cb5330b/povizusos.pdfIn PDF document text
  • https://sjamsul-hidajat.id/ck_uploads/uploads/files/tofed.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161f913b32fc12---jetokipimudila.pdfIn PDF document text
  • https://www.institutvzdelavani.cz/files/zetobupawezadovival.pdfIn PDF document text
  • http://mtegl.wsystem.sk/userfiles/files/dulogewigemebove.pdfIn PDF document text
  • https://cliniquemyo.com/userfiles/file/wewadam.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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