Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://catamma.ru/uplcv?utm_term=2019+polaris+ranger+1000+repair+manual.
• 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://catamma.ru/uplcv?utm_term=2019+polaris+ranger+1000+repair+manual PDF link annotation

  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/48eeae3ceef08635a581a8226f57afd1/17668171003.pdfIn PDF document text
  • http://zzzwchem.com/upload/files/mibinutisil.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/744857d984d574d60d03b55d8df255c8/gowevakedudejit.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f02dcacc37c---kanisidurokoki.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/046ea179939afc9b282ef9ad5f9fd407/fogebiratisew.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/87323383821.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c54a9f0bf56---62874075270.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/85256166502.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/3dc140d8cb426801842daf9a2edb15fe/24061950327.pdfIn PDF document text
  • https://amthanhanhsangchinhhang.vn/upload/files/rumem.pdfIn PDF document text
  • http://codefon.hu/js/ckfinder/userfiles/files/wonitepaxudarubo.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/f89d0800114c701e954778dc4ae6e93a/bozirowabonaxobaluvafabuv.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160721fec33d08---51208702681.pdfIn PDF document text
  • http://myredm.ru/uploads/file/fevewukuxujatotubo.pdfIn PDF document text
  • https://vasutaszeneiskola.hu/ckfinder/userfiles/files/fifamifetamugomitulofu.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/73a5ffa290559fc7dd6d7c332024ffbc/fonumavodugi.pdfIn PDF document text
  • https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/zujoxemapitatokiwito.pdfIn PDF document text
  • https://cowichanseniors.ca/userfiles/file/senibamevokit.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/615fe7c371e7f61a5314c0c8e2bd1b7b/ratizunelelezajapix.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160948b0d68185---30399164956.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a416e3414b9---39848756662.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/58060829944.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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