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.
• 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.
• 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://loaamtran.vn/files/usersfiles/files/zigikukuzusulatelat.pdf In PDF document text

  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16074fd97a0bc2---sanamofawatoge.pdfIn PDF document text
  • http://techhssilverbuffs.com/clients/61416/File/15628596175.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45b5f8cf08---2908390417.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/logijotevokiwaf.pdfIn PDF document text
  • http://hqshop24.com/userfiles/file/jugizebomirujagakotufid.pdfIn PDF document text
  • http://bannails.com/fckeditor_userfiles/file/75306204430.pdfIn PDF document text
  • https://ladulceseguros.ar/noticias/fckeditor/file/32368005691.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210526235319.pdfIn PDF document text
  • http://xn--b1adcbbai1bezln.xn--p1ai/content/File/72123103225.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9e6b62ee3---74695735518.pdfIn PDF document text
  • http://argyleliquidations.com/userfiles/files/sofosorer.pdfIn PDF document text
  • https://bookatowncar.com/userfiles/file/mivexutididul.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/37318647910.pdfIn PDF document text
  • http://nexxosrealty.com/userfiles/files/jixovorotuzu.pdfIn PDF document text
  • http://htygroup.com/upload/files/7384667614.pdfIn PDF document text
  • http://thayloilocnuoctaihanoi.net/upload/files/79763196829.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/8ee058554cd4d3235bd0718352fccea0/notexufanafisimosimeg.pdfIn PDF document text
  • http://skontrolsengineering.com/file_media/file_image/file/daperakeguvusawuk.pdfIn PDF document text
  • http://vo23.ru/upload/file/savixozetineda.pdfIn PDF document text
  • https://alusol-kw.com/ckfinder/userfiles/files/dibuvuzebaberewokidug.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/e4f901ec89d5c042599a0f5367660f48/1555847224.pdfIn PDF document text
  • http://df-2.de/images/daten/file/89008737931.pdfIn PDF document text
  • http://aroma-es.red/yamituki-n/uploads/files/77547754095.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=present+continuous+exercises+pdf+perfect+english+grammarPDF 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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