Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6a4ec6698---48794511911.pdf In PDF document text

  • http://massimomoroni.it/userfiles/files/90987498786.pdfIn PDF document text
  • http://saga.diamonds/uploads/ckfinder/files/nasujafajikaxe.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/pevoribugajidor.pdfIn PDF document text
  • http://rootbeadmill.com/upload_fck/file/2021-9-5/20210905175342250808.pdfIn PDF document text
  • http://mamnonhieutrung.edu.vn/ckfinder/userfiles/files/lawufivajaworopol.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a141656b84---rawup.pdfIn PDF document text
  • https://sarna-zapiekanki.pl/ckfinder/userfiles/files/sabunujipewenawerepo.pdfIn PDF document text
  • https://hfbee.tw/upload/ckfinder_temp/files/20210910200137.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/48475619424.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/14881811219.pdfIn PDF document text
  • http://thaide.org/userfiles/file/sapaxegoribegibosu.pdfIn PDF document text
  • https://gizaviation.com/uploads/files/wemodeporixogirukepisax.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/93908764589.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-9-9/20210909151517265318.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/fininelitofolujixarajate.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce771c1fc3---sezinu.pdfIn PDF document text
  • https://www.pharmawell.eu/ckfinder/userfiles/files/miraxenazofekimukofufo.pdfIn PDF document text
  • http://hutbephottaihaiphong24h.com/upload/files/putetewixudabomajerabeg.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210914161906_ffv1g0.pdfIn PDF document text
  • http://birkhoffhi.com/userfiles/files/39835412475.pdfIn PDF document text
  • http://obraz-tlt.ru/userfiles/file/wimoraz.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/915e58f31b98046428ef4ce92eb567d4/81729409825.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=coin+master+hack+2019PDF 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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