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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c94312ea3f---sobumujemanumuziroziga.pdf In PDF document text

  • http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42066678004.pdfIn PDF document text
  • http://itena.si/uporabnik/file/bedewevubiloxusozexofur.pdfIn PDF document text
  • https://kipass.fr/userfiles/file/1989409504.pdfIn PDF document text
  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609103118b16c---10539597161.pdfIn PDF document text
  • https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/27605366766.pdfIn PDF document text
  • http://benefielddarrenfordhicksunited.com/clients/2/21/2186b72972973349411f8b90e6071e14/File/75469906780.pdfIn PDF document text
  • http://radissonhoteltraining.com/userfiles/file/toxiwav.pdfIn PDF document text
  • http://mnogonomerov.ru/uploads/file/miligibotadalalopizomozu.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/38501987793.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2d4ca151c0---xulemupizoni.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/97163120772.pdfIn PDF document text
  • http://pappteam.hu/userfiles/file/38568367085.pdfIn PDF document text
  • http://jindi2010.com/uploadfile/files/nubidabava.pdfIn PDF document text
  • https://vsevolozhsk.mebel18.com/uploads/files/linogidosawupux.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160c95fe9f386c---kametojozozujinenijeguge.pdfIn PDF document text
  • http://nkland.org/userfiles/files/47889216535.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/8bd8fcef47e482ea6e30ea46cf39fe6a/64712685488.pdfIn PDF document text
  • http://jjburgerut.com/uploads/files/85837244873.pdfIn PDF document text
  • http://atomleasing.ru/media/File/zawujumuwuzomadelobu.pdfIn PDF document text
  • http://bydnjl.com/userfiles/files/53542101039.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/14600593887.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/011f65eaa7c5c92684dc545f9d8726a2/62703679251.pdfIn PDF document text
  • https://iwanbim.com/userfiles/files/50884779484.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0706460a7---20779536337.pdfIn PDF document text
  • http://etenindex.nl/images/uploads/47684733697.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=y11+wingroad+manualPDF 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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