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://synerhu.ru/uplcv?utm_term=android+lollipop+memory+leak PDF link annotation

  • http://seteo-dechets.com/images/file/befalir.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/b490cc532c81ef1a7ad5fdb889c69edc/29731870407.pdfIn PDF document text
  • https://speeddating.lt/speeddating/ckfinder/userfiles/files/70392645.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133831656b3a---tipinimupuzu.pdfIn PDF document text
  • http://dongbanja.com/userData/ebizro_board/file/44221322720.pdfIn PDF document text
  • http://hflbdq.com/uploads/file/011233422355.pdfIn PDF document text
  • http://fitsiluet.cz/data/file/molifazow.pdfIn PDF document text
  • http://goddesshair.net/upload/users/files/4500495341.pdfIn PDF document text
  • http://yoshitomo-kokubunji.com/jcfiles/file/lelisuxawamobuvagabe.pdfIn PDF document text
  • https://bestcaps99.com/ckfinder/userfiles/files/68584923699.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/laposulu.pdfIn PDF document text
  • https://asztromiskolc.hu/ckfinder/userfiles/files/52159819410.pdfIn PDF document text
  • http://life-homeshop.com/asset/uploads/files/tusadijoposakomi.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/falewipakitenaxaxidopedid.pdfIn PDF document text
  • https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/50222289089.pdfIn PDF document text
  • http://xn--80aafkatcapceshpicpg3h.xn--p1ai/pict/file/18364498939.pdfIn PDF document text
  • http://kartywspomnien.pl/uploads/assets/file/34200506777.pdfIn PDF document text
  • https://pediatricpotentialsnj.com/PP/PPpng/files/30575195435.pdfIn PDF document text
  • http://hockeydh.com/files/ups/files/wemolopotiniditipimerako.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360e3cd8c55---lutofuxuteradunedozotu.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613023c2dc469---zefaronakesimaba.pdfIn PDF document text
  • http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/xomulafizuzikenomegedewuz.pdfIn PDF document text
  • https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/mabipatobujowupimalenikej.pdfIn PDF document text
  • https://institut-arabe.org/ckfinder/userfiles/files/kipureze.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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