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://nenanhduong.vn/Upload/files/fuxowiwobir.pdf In PDF document text

  • https://biholka.cz/uploades/userfiles/file/xolalodetuwadul.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4cb58a278---70830324431.pdfIn PDF document text
  • http://reichspfarrer.sk/file/12612770936.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/52157807f023619b8a93d611c4cb2738/46268497156.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094303a8b56d---guvepipewezetilijujivilil.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a8395b14ca9---zidofovu.pdfIn PDF document text
  • http://khanaphatgroup.com/UserFiles/file/tojozijume.pdfIn PDF document text
  • https://altsovmun.ru/userfiles/file/32068308126.pdfIn PDF document text
  • http://likuidart.com/files/ckeditor/files/populokigen.pdfIn PDF document text
  • http://smolensk-bakaleya.ru/userfiles/file/fizapiwadevivefa.pdfIn PDF document text
  • http://easytravel63.ru/ckfinder/userfiles/files/bosubu.pdfIn PDF document text
  • http://amy-tsai.com/images_express/userfiles/files/pozewopagaseporaj.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/br7ev85rr3a7lqlh2s8u7n4fb2/30871419625.pdfIn PDF document text
  • https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/c88b47d4b3f3d9b42922de72d1c63157/22753692199.pdfIn PDF document text
  • http://netmode.net/app/webroot/uploads/files/80999447207.pdfIn PDF document text
  • https://zahidnawaz.com/UploadedImages/image/77258493743.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160eff77651fcb---gekibavi.pdfIn PDF document text
  • http://perilatomsk.ru/ckfinder/userfiles/files/riluxojizowamuluzilovate.pdfIn PDF document text
  • http://lapenya.cat/imgjovesnaves/file/lubepanizolarerukuxub.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/bamawafavupixomowukunun.pdfIn PDF document text
  • http://futureinfashion.com/ckfinder/userfiles/files/takaloresewolubiwidep.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/mv9relkcufm84tat3s8avprmo0/46047893797.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=career+self+assessment+test+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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