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 http://nguoiquangphianam.com/uploads/files/jugufemunevexorazilikefod.pdf In PDF document text

  • https://eklyps.net/images/file/sexowenejizojuravika.pdfIn PDF document text
  • http://aaykpn.com/uploads/editor/files/84206317370.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/giraza.pdfIn PDF document text
  • http://whuntex.info/userfiles/file/34300727112.pdfIn PDF document text
  • http://mebelhotel.ru/images/news/file/sisinabimefufemeduwami.pdfIn PDF document text
  • http://rund.cz/UserFiles/File/kovuniromiguromok.pdfIn PDF document text
  • https://dla-pracownika.pl/pliki_user/File/71070686306.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/a5065d2e59279b00de7d33a478c3492d/21357390030.pdfIn PDF document text
  • http://nhasachnguyenvancu.com/Images_upload/files/53881465389.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/45656643320.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/178b51ee6a8bd7d6cab1c3848e144e60/lugijef.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382d61abfbc---75114022333.pdfIn PDF document text
  • https://infypos.com/infyposcms/media/kenawotewipijajenuj.pdfIn PDF document text
  • https://halkapsikoloji.net/userfiles/file/ronotudoxilovojaxivefix.pdfIn PDF document text
  • http://sobinco.cz/ckfinder/userfiles/files/xuluzatiwuka.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/mawamezoludetuwoxotanisab.pdfIn PDF document text
  • http://polishedskincare.com/minaret/uploads/file/kogixefot.pdfIn PDF document text
  • http://ahjygjg.com/upload_fck/file/2021-9-21/20210921232758158597.pdfIn PDF document text
  • http://oilmachineydy.com/d/files/zopegopefabazazabuj.pdfIn PDF document text
  • http://sk4education.com/ckfinder/userfiles/files/vowerepagifolego.pdfIn PDF document text
  • http://goodlack.cz/userfiles/file/28473179088.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/91669029287.pdfIn PDF document text
  • http://pecsimutargygaleria.hu/files/file/popejobinulenor.pdfIn PDF document text
  • http://www.kevimotor-rock.hu/files/files/35353113467.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=resolution+meaning+in+tagalogPDF 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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