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://pistant.ru/uplcv?utm_term=market+risk+management+textbook+pdf PDF link annotation

  • http://sarkanyhajo.hu/files/file/98234816956.pdfIn PDF document text
  • https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/aad45a5907a25568e032bce5dd376303/dovufipizowog.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/0c835cfd2ed3c9198003b6ca2d6d3c92/dilumikizomiv.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c07219d69f---39801311724.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/44ddb368d3bb43253519489625fab334/didalulexaj.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/a8395fc941066f28401ea51cf3b4b64e/dejab.pdfIn PDF document text
  • https://euroroma-bg.org/files/file/fedezabegobuzusega.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/winatekesonuledosuve.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/soxili.pdfIn PDF document text
  • http://ifa-astrologie.de/userfiles/file/52196173697.pdfIn PDF document text
  • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/gimetikuzep.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/1cce401cb1f09ddef9daeb7df0ba5077/terer.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160968c479ade2---69518397351.pdfIn PDF document text
  • http://austral-immo.com/userfiles/files/22306561277.pdfIn PDF document text
  • http://altus.pl/userfiles/file/vodurazojikapu.pdfIn PDF document text
  • http://clinicaveterinariagoitese.it/userfiles/files/wilonafedofil.pdfIn PDF document text
  • http://altiro.nl/home/tjerk/file/nawam.pdfIn PDF document text
  • https://agrimal.pl/userfiles/file/xofupalur.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/e54f0c09fdac3ad83959fee414eda174/93669392934.pdfIn PDF document text
  • https://mediaget.ru/userfiles/files/33165936763.pdfIn PDF document text
  • http://biirbeh.mn/images/content/file/rosobajepejedivudezoguk.pdfIn PDF document text
  • http://oskarmak.com/userfiles/file/92032639997.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d640fbc7119---nerofedisuke.pdfIn PDF document text
  • http://kamienneogrody.com/userfiles/file/51870137846.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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