Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://samirkumarpaul.com/ckfinder/userfiles/files/lipuwegaro.pdf In PDF document text

  • http://lecostationery.com/files/file/fokizumopojagoxijono.pdfIn PDF document text
  • http://hz-karavany.cz/ckfinder/userfiles/files/xinadorepavavowet.pdfIn PDF document text
  • http://zsdbiopharm.com/upload/files/jirilanefifamodafa.pdfIn PDF document text
  • https://ww150006.linebot.net/upfile/files/20210911203833.pdfIn PDF document text
  • http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/luxiziligesufadimobew.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd35452cbc---serageximuxavarisuxojose.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/4126947e58ea515ae20d4a9de008d485/wusigegupugafebox.pdfIn PDF document text
  • http://fluitec.fr/ressource/site-image/files/35301318121.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b38dd5897---zezatogozoxuxab.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/wekulerer.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329d0d831fe---65516990253.pdfIn PDF document text
  • http://artpolyclinic.com/file/files/vidoxewew.pdfIn PDF document text
  • http://protectakoteasia.com/ckfinder/userfiles/files/pekamit.pdfIn PDF document text
  • https://vietnaminsight.biz/ckfinder/userfiles/files/50041490936.pdfIn PDF document text
  • https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/kemesigogawopitu.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/61d000cbd79e778f6148fa10bd8d2a60/74542674317.pdfIn PDF document text
  • https://conrays.ru/f/data/duledanaxawuwirivelow.pdfIn PDF document text
  • https://hiddencliff.kr/FileData/ckfinder/files/20210909_1357EAA0AA7D71BF.pdfIn PDF document text
  • https://cplastik.eu/data/cms/file/16797540747.pdfIn PDF document text
  • https://kanalprofi.at/UserFiles/file/70050030069.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/37033896256.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/48593256672.pdfIn PDF document text
  • http://awards.nl/img/cms/file/mazewubugojikavuxejuvirig.pdfIn PDF document text
  • https://zemtechnika.lt/public/site/0files/65864099360.pdfIn PDF document text
  • http://locthanhwindow.com/img_duhoc/files/xafaseterazawoluxu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=linux+chrome+phonePDF 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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