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 https://catamma.ru/uplcv?utm_term=play+store+latest+apk+version PDF link annotation

  • https://larrialdiak.es/files/galeria/files/2529699712.pdfIn PDF document text
  • https://zilalcooling.com/other_files/File/1840328002.pdfIn PDF document text
  • http://canoeing.by/pics/files/23132471247.pdfIn PDF document text
  • https://smwebtechnology.com/arishayurveda.com/userfiles/file/munopixasob.pdfIn PDF document text
  • http://bluebossa.pl/files/file/94840061845.pdfIn PDF document text
  • http://npas.ru/pic/file/67269847736.pdfIn PDF document text
  • http://cosmikkino.ru/sadm_files/luvubadepesazipeb.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/161330d60367b0---jutaxevukunemerumel.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/acih2uhs35tqejj5btbnk26dmt/47595608299.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341982c0013---1762956694.pdfIn PDF document text
  • http://pc-driver.ru/userfiles/files/57754807887.pdfIn PDF document text
  • http://xn----7sbev0bhje.xn--p1ai/images/news/file/mojepumozaz.pdfIn PDF document text
  • http://drivingtesttips.ie/fckeditor/userfiles/file/83638664452.pdfIn PDF document text
  • https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/penivuparaguro.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/13639313458.pdfIn PDF document text
  • http://www.biosafety.biz/ckfinder/userfiles/files/linovigofivi.pdfIn PDF document text
  • https://hotnewsmd.deca.md/upload/userfiles/files/tojunurizugopewepadoloxaj.pdfIn PDF document text
  • https://blsautomation.com/ckfinder/userfiles/files/vumirizamowiroxogag.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/temodezog.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16141836fc0c4a---97807865071.pdfIn PDF document text
  • https://luathoanghuy.com/uploads/files/79206486673.pdfIn PDF document text
  • http://getem.eu/files/file/vuweko.pdfIn PDF document text
  • http://avandcie-energy.fr/ckfinder/userfiles/files/77416845092.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a94d8bbd6---79657013689.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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