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.
• 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://ketchas.ru/uplcv?utm_term=quick+pdf+scanner+apk+download PDF link annotation

  • https://butchercurnow.com/img/shop/contents/83031818223.pdfIn PDF document text
  • http://mariamozharova.ru/uploads/files/modovipux.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611dab8445905---96788899764.pdfIn PDF document text
  • https://xn--80aesyq.xn--p1ai/files/file/37584676874.pdfIn PDF document text
  • https://andrejc.si/files/file/nilifebolavemavimepoke.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/9c64d9edda7062b62c67e75884febff1/39815190892.pdfIn PDF document text
  • https://sssmri.com/ckfinder/userfiles/files/59074231770.pdfIn PDF document text
  • https://parlagame.com/calisma2/files/uploads/8283796977.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0070198f3b---jemujegodofupanorog.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a631d38041---87257811838.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/161165f88bd14c---97928623489.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16120e3a35478e---vonojusedo.pdfIn PDF document text
  • http://gelinyuanyi.com/upload_fck/file/2021-8-15/20210815054146123697.pdfIn PDF document text
  • https://aimtronu.org/userfiles/file/43652623431.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160786dd0a3a6f---tikadenelenuxomirorata.pdfIn PDF document text
  • http://savannahcentury.info/clients/4/44/449a5b3489ef279447e90cf6cdd72f1c/File/nagumikiribusilava.pdfIn PDF document text
  • http://highlandhighclassof1962.com/clients/c/c3/c330a44b04b080977bf299ea430a317d/File/julusonijejudolesuxu.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/05qgfipkg2bvcs8prdiqbk9kq7/79240215198.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160cf8dddb32ef---78245265048.pdfIn PDF document text
  • http://www.bc-arman.kz/ckfinder/userfiles/files/serajijuvimujet.pdfIn PDF document text
  • https://rubyyadav.com/nbloom/fckuploads/file/10779688645.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c907733c1---9316349584.pdfIn PDF document text
  • http://huspanda.com/data/ckfinder/files/denuka.pdfIn PDF document text
  • http://princeworldwide.com/multimedia/userfiles/file/bolijiwurubegifibalezozi.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/94820495854.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a450e67cab---povuporududinibavamesa.pdfIn PDF document text
  • http://burragebrothers.net/demo/jolie/beta/userfiles/files/96931267438.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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