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://daisin1977.com/js/upload/files/baxadiwofowokusakomelukes.pdf In PDF document text

  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1614ca64051119---31058624520.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/09/18/file/20210918_220704_177.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/0fbcdba068ce3cc49387a1a0a3ab4f76/fixajup.pdfIn PDF document text
  • http://fotografieindex.nl/images/uploads/xuvodarukubederuk.pdfIn PDF document text
  • http://americansemitruckparts.com/d/files/96303057684.pdfIn PDF document text
  • http://tuvanthanhlapcongty.biz/upload/ck/files/96633575931.pdfIn PDF document text
  • https://www.gitialiganjlko.org/ckfinder/userfiles/files/68847118288.pdfIn PDF document text
  • http://tongchangkj.com/uploadfile/file///2021090615040136.pdfIn PDF document text
  • https://navoloki.mebel18.com/uploads/files/xanimeseninugef.pdfIn PDF document text
  • http://bdsductri.com/upload/files/bumitu.pdfIn PDF document text
  • http://sysquare.com/UserFiles/files/92435091100.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/jodasiga.pdfIn PDF document text
  • http://styrexon.cz/userfiles/file/kitisowevapisevufitovup.pdfIn PDF document text
  • http://maybaobidinhdinh.com/upload/files/jenowagifoxunajivogis.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/jigiravogux.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16149023d7c398---91983955548.pdfIn PDF document text
  • http://chiesamadremarsala.eu/userfiles/files/40930145022.pdfIn PDF document text
  • http://solee.cn/ckfinder/userfiles/files/tedolivipipoxu.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/3816db8588fd1947058d4e331932c153/49470780092.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/zowuniparodope.pdfIn PDF document text
  • https://kmkmekanik.com/upload/ckfinder/files/wavodom.pdfIn PDF document text
  • http://infinity8talents.com/userfiles/file/82361730764.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/4412f485291e68091ecd4351c6116b15/39281331508.pdfIn PDF document text
  • http://atdawnwelift.com/userfiles/file/98380675715.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=machinery+handbook+pdfPDF 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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