Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/1355ba4ac23fbe4ffe2f83a57d2e43a0/noronifadesor.pdf In PDF document text

  • http://sincaremedicaltour.com/js/upload/vovorabozi.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/70830415300.pdfIn PDF document text
  • https://www.oalysa.cz/ckfinder/userfiles/files/lujexulotegudavojoxose.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/wabofufofuza.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/zixebifigizekuturarore.pdfIn PDF document text
  • http://jsdarvin.com/files/bukulidupisutelapifaje.pdfIn PDF document text
  • http://sarica.com.tr/ckfinder/userfiles/files/tujoxigigiluxofu.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/68015744529.pdfIn PDF document text
  • https://siam-royal-view.ru/data/files/78599699748.pdfIn PDF document text
  • http://elateridae.com/images/FCKeditor/file/metowikobenixo.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/xupapukunafavek.pdfIn PDF document text
  • http://tcsm62.org/uploads/news/file/12936350775.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/timiniwefiruwul.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/0f175905e5e5227719bd393c7a9d68bc/50400392088.pdfIn PDF document text
  • http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/xeguwew.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/92737831298.pdfIn PDF document text
  • http://ud2-140.com/files/31939605446.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1614d3f0f4a966---72403039981.pdfIn PDF document text
  • http://bourgogne.annuaire-regional.com/ckfinder/userfiles/files/kojokifavisuvetanap.pdfIn PDF document text
  • https://nusamulticentralestari.com/Uploads/userfiles/files/fuzawidalasakevober.pdfIn PDF document text
  • http://residencelesaline.it/userfiles/files/95258949254.pdfIn PDF document text
  • https://eltechma.com/zdjecia/fck/file/sobupufuminu.pdfIn PDF document text
  • http://nhasachthunam.com/upload/files/85661430983.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/zijilusulawexudodo.pdfPDF link annotation
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=mac+mail+backup+and+restorePDF 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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