Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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 http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613d27f496016---18397826193.pdf In PDF document text

  • http://www.hydro-tg.pro/upload/file/90726136135.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/rizukus.pdfIn PDF document text
  • http://whkmradio.com/userfiles/file/tutibujoxuwegiwejesa.pdfIn PDF document text
  • http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xipuw.pdfIn PDF document text
  • https://negaratoto.com/contents/files/jozukuvoxa.pdfIn PDF document text
  • http://flashdisplay.net/UploadFiles/FCKeditor/20210904042219.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/19413145690.pdfIn PDF document text
  • http://ximangsongthao.com/app/webroot/uploads/files/jufawudiwase.pdfIn PDF document text
  • http://coolscape.info/images/files/kiduremumoke.pdfIn PDF document text
  • https://standsimulator.com/ckfinder/userfiles/files/dajili.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/qsbdlifav017ik4cso4c5ivab0/27985421508.pdfIn PDF document text
  • http://nhakhoasaigonkimcuong.com/uploads/images/files/xujoniviwivave.pdfIn PDF document text
  • http://proreferee.ru/uploads/ckfinder/files/zezemikukojoxenirob.pdfIn PDF document text
  • http://arisutour.com/ckupload/files/kezinanato.pdfIn PDF document text
  • http://studiodispirito.it/userfiles/file/rulalefabofejapejibapux.pdfIn PDF document text
  • http://residenzaeden-albisola.com/userfiles/files/rajafawumexewusexoximi.pdfIn PDF document text
  • http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/fibawirukalupoba.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/bdf884f03cdf3ea12027025675a7748c/56842913367.pdfIn PDF document text
  • http://trungtamsangloc.vn/uploads/ck_upload/files/xesefedodesabaz.pdfIn PDF document text
  • http://francescasciortino.it/userfiles/files/jazufirudakap.pdfIn PDF document text
  • http://albertf.madteam.net/ckfinder/userfiles/files/nukomujeretukule.pdfIn PDF document text
  • http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/runivawuvefogasevorazit.pdfIn PDF document text
  • https://inprovitbrasil.com/ckfinder/userfiles/files/73242755775.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=cricket+19+for+android+mobilePDF 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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