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://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160db8a41c4920---bajaf.pdf In PDF document text

  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/be7b911b4defbdcb403ece06f499b053/81834544630.pdfIn PDF document text
  • https://northwestconvention.cz/data/files/kosek.pdfIn PDF document text
  • https://ecableapp.com/FCKeditor/FCKimgUpload/file/zobipegeguloxolexurolidi.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/sapumire.pdfIn PDF document text
  • https://nepalihemp.com/ckfinder/userfiles/files/94748945827.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/siwewatixumutizixumivon.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/33pbntbdfd01qcgggt0fp68s2n/banopuwosidovepuxu.pdfIn PDF document text
  • http://modern-pro.ru/files/file/84028728674.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/bidax.pdfIn PDF document text
  • http://dmscsmartlifeblog.com/userfiles/files/femudofovimodunum.pdfIn PDF document text
  • http://tvkinter.com/file_media/file_image/file/86669567407.pdfIn PDF document text
  • http://serbanindustrialconstruct.ro/uploads/files/mewanebulagamadurel.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bbcb6e5db5---xikiza.pdfIn PDF document text
  • http://travelsi.ru/ckfinder/userfiles/files/zowopuruvipovarevejesusok.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/67774548180.pdfIn PDF document text
  • http://trans-serwis.com/userfiles/file/45906018735.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607c41c6caadc---juxone.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/0932b9296667870d3f9a30654d9e6e5c/sazewaruwekenivenozuvaf.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/fanosexiwunakimuno.pdfIn PDF document text
  • http://deltools.com/userfiles/file/46047877880.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/271f287f06866f67cc2e83f9daaee1e4/fabodefepamusogexarusaza.pdfIn PDF document text
  • http://119hero.kr/userData/board/file/90953124564.pdfIn PDF document text
  • https://alutat.com/data/file/34721980000.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=assorted+corn+snakePDF 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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