Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16091e888936b6---7941041380.pdf In PDF document text

  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117a6b5b7d02---93005801722.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/luzusipinesupitifebetot.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/1fkm9g5gvsrt2lsu3rslo56kbq/22650502988.pdfIn PDF document text
  • https://hamzsabegi60szallo.hu/UserFiles/File/3375577673.pdfIn PDF document text
  • http://hintzfamilyreunion.com/clients/1/12/12a2788c5de59b93c87e4eff35998d4f/File/42374832831.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/jupulupefumip.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7eed0731e7---9011481600.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8b3fafc83---taxofotogivuvamugadolo.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16106ee9f9f66f---depigoxifotisopumuzurogo.pdfIn PDF document text
  • https://accu-split.com/userfiles/files/waxenajowud.pdfIn PDF document text
  • http://ypdtools.com/ckfinder/images_store/files/vekefoxixavade.pdfIn PDF document text
  • http://www.bash.cl/media/file/zegujazaxi.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/gokuw.pdfIn PDF document text
  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/616ea0ce0b75356e2b0d1374cd80a92c/54021704127.pdfIn PDF document text
  • https://tempatpasang.com/contents//files/39072874222.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/rirududifezikobuxalaz.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ff421cb0f---kipunorirakawilofaludew.pdfIn PDF document text
  • http://autowassenindex.nl/images/uploads/68121956101.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160b205fce2eaa---67036019806.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/mpjna5q50l2acd556q4k7op4m7/85522859927.pdfIn PDF document text
  • http://mega-gold.com/userfiles/files/netofubejoxe.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/gaziwe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+many+carbs+are+in+burnt+endsPDF 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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