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://crysiq.ru/uplcv?utm_term=io+puzzle+games PDF link annotation

  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16132c867df564---36382791718.pdfIn PDF document text
  • https://fleseriuassociates.ro/files/file/zefalovadeg.pdfIn PDF document text
  • https://highlander-inn.com/assets/userfiles/files/kaxalowaluzasataxegav.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/77240489135.pdfIn PDF document text
  • http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/51210836834.pdfIn PDF document text
  • https://copacndg.com/images/uploads/files/saweg.pdfIn PDF document text
  • https://leavereview.com/customerinterview/ckfinder/userfiles/files/gorojeb.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/22471704706.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16141e5581661c---watobadigivadilemuteda.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614149c7a9a6c---77977652794.pdfIn PDF document text
  • http://dallard.fr/ressource/site-image/files/53505647479.pdfIn PDF document text
  • http://autoscuolepintozzi.it/userfiles/files/watubu.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/56550056273.pdfIn PDF document text
  • http://papierplus.pl/userfiles/file/39164608740.pdfIn PDF document text
  • http://test-immo.com/file/15748788522.pdfIn PDF document text
  • http://anipetkingdom.com/webroot/img/files/11043029027.pdfIn PDF document text
  • http://kimkhimientrung.com/uploads/image/files/56712668459.pdfIn PDF document text
  • https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/nilopipixoli.pdfIn PDF document text
  • http://stl-hk.net/userfiles/bevexagopuxoji.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/j7h3o0klki964te1va3rkdks8v/butemagokomafexudowi.pdfIn PDF document text
  • http://nayyaralidada.com/alpha/ckfinder/userfiles/files/22607492778.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/bojuva.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613736b483204---furebolobiwisozufexol.pdfIn PDF document text
  • https://www.milestonesmn.org/ckfinder/userfiles/files/jewanexabuvotebejaten.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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