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.
• 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://ketchas.ru/uplcv?utm_term=download+plinko+master PDF link annotation

  • http://muasamhangmy.com/ckfinder/userfiles/files/zerakawubugebutip.pdfIn PDF document text
  • https://baoyi-chuck.com/ckfinder/userfiles/files/69625575671.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/68303710585.pdfIn PDF document text
  • https://fortworthdental.net/cmsCart/upload/file/nazuxanasesigavuxosadomu.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/sipixa.pdfIn PDF document text
  • http://solarissoft.com/img/userfiles/files/jeruvokudiwagulaxowu.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/melajeranexudugerim.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f87e72a1b---xirutugibeku.pdfIn PDF document text
  • http://metapolar.hu/tmp/26694474024.pdfIn PDF document text
  • http://maimungkorn.com/UserFiles/file/mibeweriko.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/85612125153.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/60626937497.pdfIn PDF document text
  • https://elemonbg.com/Files/File/81312443908.pdfIn PDF document text
  • http://kryotherapie.net/neu/userfiles/file/minuvuxolexogasi.pdfIn PDF document text
  • http://rc-saty.cz/gais/image/file/54104467202.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/90683021209.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/161417797b2c10---tenikokogexixanajukezefom.pdfIn PDF document text
  • https://aep-tc.com/cache/fck_files/file/baxagiwug.pdfIn PDF document text
  • http://bursaceyizgelinlik.com/images_upload/files/71737277674.pdfIn PDF document text
  • https://giritrademark.com/content_files/files/wurupelatedukixomejajuken.pdfIn PDF document text
  • https://profix.fr/ckfinder/userfiles/files/pelekedix.pdfIn PDF document text
  • http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/31602010868.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/rkoh3n5iuiu485jn6ig73q5uir/garolijorusifepuxatugur.pdfIn PDF document text
  • http://knowleangling.co.uk/ckfinder/userfiles/files/rubimunafab.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/1c9d07c9f23559ec49a644cc3d4e5d85/49921343163.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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