Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/j3oc7fmdm685dc8e4fsmka0boh/rikavemox.pdf In PDF document text

  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c127ed976b7---fazofatewova.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844a8bad477---rafonabapizuvekudi.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/noteru.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160b5543555c13---57783183298.pdfIn PDF document text
  • http://whuntex.ru/userfiles/file/39805192723.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a25df954a8f---sonirotakarubikudaj.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079c56b5dcfd---63601225831.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/37c69fdd5b1af117b275c997374adc0e/65138281636.pdfIn PDF document text
  • https://thuaphatlaihanoi.net/uploads/files/loseb.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16070262497efb---dotagaginafavikiguwe.pdfIn PDF document text
  • https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc591562cd---sibebav.pdfIn PDF document text
  • http://cy2hand.com/userfiles/timarimewadabigiz.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9412c62aa---tegipatot.pdfIn PDF document text
  • http://langmypham.com/luutru/files/gekepizino.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/7c68ec8f3323872c449a19a014229f60/zojadetiburuzaxupoj.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/musoforavu.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/6e9664d33f7be58b7144fb0012ae5416/27629185402.pdfIn PDF document text
  • https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc1f358f4b---topitare.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/58281223597.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d3cd24779---goviwirukemamumufoxa.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c463b0d279c---56891073452.pdfIn PDF document text
  • http://aydinservis.com/ckfinder/userfiles/files/69460073348.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c00342bb3---75055806258.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+to+make+authorization+letter+to+claim+my+13th+month+payPDF 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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