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
• 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.
• Macro/content-enable lure medium SE_ENABLE_LURE
  Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://phuocthuan.vn/images/pic/file/narebujekufomarilatatozin.pdf In PDF document text

  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc885b008d---nuwovuvekubizumatabomulej.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45bf82a1dd---binulipizapofovoxogoxanu.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa6ea2f122---ruvunasajisoguxifuni.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/5672e503f57a34ef9476eb29a13cdea8/luvitajutupul.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/uto4c1vg2ce3mml2i52iol1jnv/81595250770.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/zasijezugekafifepozejes.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/26245835848.pdfIn PDF document text
  • http://chandigarhdatarecovery.com/files/file/rawujegudazinef.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076cbcf509f9---tetubugunizabogawakizi.pdfIn PDF document text
  • http://vivatbacchus.hu/files/file/wufomix.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/62165366342.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/uoit03vb3el9ucvfo76pldfcos/wusasi.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/43181491897.pdfIn PDF document text
  • https://angel-juicer.com/FileData/ckfinder/files/20210619_1A5FE7875FA0652A.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071db26019aa---sivoxobikiralowejuxarudu.pdfIn PDF document text
  • https://flyags.com/editorResources/file///xogapofakijivokabiximof.pdfIn PDF document text
  • http://soupworld.de/upload/file/tololaxanulinesoz.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1a0ddddf8---duvawejozapunidevapun.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/mdvj39vhu2b0f1e4joqc5atn45/kunonaxepojidosibomutobo.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/xidev.pdfIn PDF document text
  • http://sunnysidehigh65.com/clients/d/d0/d00d1ad1640c45b888f5e58ac216a5d1/File/50158787158.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=matthias+j+schleiden+aportaciones+a+la+biologiaPDF link annotation
  • http://www.thaiticketmajor.com/static/imgUpload/files/giwepud.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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