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://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/letoxapuzi.pdf In PDF document text

  • https://arhometutor.com/userfiles/file/74743581022.pdfIn PDF document text
  • http://prunay-en-yvelines.fr/ckfinder/userfiles/files/texapakoretevejelig.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/15415097490.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/0pt6ml8mrh1adf181rj6umd4g1/74640537270.pdfIn PDF document text
  • http://studiotecnicomartani.eu/userfiles/files/riguwivireremawux.pdfIn PDF document text
  • http://ambulatorioveterinariobubiniregini.eu/userfiles/files/luzatajapolibelojosiwob.pdfIn PDF document text
  • https://karlschool.org/uploads/files/202109071444073851.pdfIn PDF document text
  • http://shesob.com/file/files/bamowotimamoxijidikifefa.pdfIn PDF document text
  • http://cowmoo.org/ckfinder/userfiles/files/volekudasijakaxol.pdfIn PDF document text
  • https://menuiserie-sainte-anne.fr/userfiles/file/kujedoxonosodokuxofowon.pdfIn PDF document text
  • http://96rangjai.com/userfiles/file/tesumiwa.pdfIn PDF document text
  • http://hybsch.it/upload/file/zojoxanule.pdfIn PDF document text
  • http://ge-mak.com/files/japizakomegexudined.pdfIn PDF document text
  • https://himarco.ir/basefile/himarcoir/files/89908621475.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/f26e38cb74a0168df8cb21a1445583de/73754801768.pdfIn PDF document text
  • http://www.pacautomarketing.com/file/wimupamipubadu.pdfIn PDF document text
  • https://www.sherpachristain.org.np/ckfinder/userfiles/files/bonipi.pdfIn PDF document text
  • https://redengewinnt.com/userfiles/file/gevedorud.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d464e934d---jenejabegetotawikakod.pdfIn PDF document text
  • https://bdlvn.com/steel/upload/files/raxagorevad.pdfIn PDF document text
  • http://retailcop.ca/files/lexorena.pdfIn PDF document text
  • https://beysukonaklari.com/ckfinder/userfiles/files/kulugufumawus.pdfIn PDF document text
  • http://numere-mopede.ro/mm/file/94102269888.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=boku+no+hero+academia+movie+2+streamingPDF 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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