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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/90a7da007b51688072023622b0a48e32/zuxudivogutuzamu.pdf In PDF document text

  • https://path.mn/userfiles/files/merifukiwepodiviwezuwan.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719e05a1de4---92737042926.pdfIn PDF document text
  • http://markone-tools.com/upload/files/40741670894.pdfIn PDF document text
  • https://elnativocoffee.com/silver/upload/files/nilimenerajegepiz.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/385t0rqb67t1hvnv9ibaedmrr7/22029644176.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/raxilisotivuva.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/f643b228b225858fc26b5d6ad9060775/lodikalufunaraxifoxapu.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0e0f1cb31---risikadegulutaxomuruvura.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/5495147123.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/96921973820.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a09e148e2fc---82941089618.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/52887570981.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160962d920ecee---pejifirazidufafedixirug.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/n07nubvesrcmdqo8q58rctapgk/zoboxor.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/20729061849.pdfIn PDF document text
  • http://caythuocdangian.net/images/files/xebakak.pdfIn macro / runtime command snippet
  • http://fatamorgana.fr/uploads/assets/file/vimuzefidiken.pdfIn macro / runtime command snippet
  • https://workinhotel.com/upload/fckfile/47003698477.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/ct5p66k46e3gq1ufmlb6dpjkfp/81879780250.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/56940312962.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/1ar4u35djhp2slu77ap1r22fhi/wipanusifixowugokeju.pdfIn PDF document text
  • http://maraulsan.com/ckfinder/userfiles/files/zonosigimedidigoxajofil.pdfIn PDF document text
  • http://akcjonariusz.com/UserFilIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=white+tongue+and+bitter+taste+in+mouthPDF 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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