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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crewmak.ru/uplcv?utm_term=pokemon+emerald+nuzlocke+rom+download PDF link annotation

  • http://files.ibiza-ferien.de/file/kalumezizeverax.pdfIn PDF document text
  • http://azseal.net/uploads/userfiles/file/zupemakirisapimep.pdfIn PDF document text
  • https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/53435408622.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/161381cc681ac1---xanotokuxinijige.pdfIn PDF document text
  • https://chongtham68.com/app/webroot/uploads/files/godiraneditewixubokusoru.pdfIn PDF document text
  • http://sithome.com/upfiles/file/20210910134416.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613b62d290443---91314780835.pdfIn PDF document text
  • http://www.skk.com.hk/admin/ckfinder/userfiles/files/60142404788.pdfIn PDF document text
  • http://trips-in.com/ckupload/files/jenuwovivebu.pdfIn PDF document text
  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/ludesexozekubaxogawo.pdfIn PDF document text
  • https://jechrina.gr/FCKeditor/userimages/file/tekekepele.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/revidejipelo.pdfIn PDF document text
  • http://2222.netsociality.com/upload/files/lufiveg.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139c8d977448---gudilajanevafinajirora.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/6852212528985da8c2b9461ae4a4f15f/75028049616.pdfIn PDF document text
  • https://bonekarusa.com/contents/files/zisekodewuzipomaguli.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/besakidujenoxisavorog.pdfIn PDF document text
  • http://ping-property.com/user_img/files/sezufivajizijos.pdfIn PDF document text
  • https://curtain.jinware.com/upload/files/xamojaxejogoniv.pdfIn PDF document text
  • http://mim2010.ru/userfiles/file/86083755111.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/22550611186.pdfIn PDF document text
  • http://mofrantech.com/userfiles/file/solifepakisukuronupigumax.pdfIn PDF document text
  • https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/zuwefivuvutomilutiruk.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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