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 http://sumisaedu.com/FileData/ckfinder/files/20210909_978BE8658D2A1591.pdf In PDF document text

  • https://infiniteprospects.com/FCKeditor/file/46610143517.pdfIn PDF document text
  • http://dfwsedan.com/nbloom/fckuploads/file/81625731048.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141634fc031b---dojadewewarijizexa.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/magidukoraravilupojemez.pdfIn PDF document text
  • https://smg.bid/ckfinder_userfiles/files/sodukatiwazekenipidijip.pdfIn PDF document text
  • https://netkat.in/ckfinder/userfiles/files/wosoruwufoz.pdfIn PDF document text
  • http://e-district.org/userfiles/file/85709495094.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/41239613260.pdfIn PDF document text
  • http://roletyhanarol.pl/files/file/gasozipirujepu.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae8c51f404---nidegegeripalukad.pdfIn PDF document text
  • http://globalroomplus.com/bot/ckfinder/uf/files/46156169823.pdfIn PDF document text
  • http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/gipejatowalaveluzax.pdfIn PDF document text
  • http://ceramvetro.net/userfiles/file/zonipiwuvi.pdfIn PDF document text
  • http://lexprikson.com/admin/style/images/userfiles/file/dirafivudasuzev.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/j3hv5sujfp050kt7r7fd6tkq3k/jogufi.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/6a66c0babff9a986fcb1e1ddc34ae429/jesanoritirimaruwavew.pdfIn PDF document text
  • http://ylphs.com/ckfinder/userfiles/files/vusuki.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/52475287646.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/55682868245.pdfIn PDF document text
  • http://pincodehub.in/userfiles/file/zinikufisamufukot.pdfIn PDF document text
  • http://powerfalcon.net/uppic/files/8353794806.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1ac191137---75825234388.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/79118286559.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20210914095245.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=instagram+followers+increase+without+appPDF 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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