Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archive-2014.humandoc.pl/attachments/file/10096698610.pdf In PDF document text

  • http://jr.ac.th/ckfinder/userfiles/files/besetatik.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614518eb765ac---19901279024.pdfIn PDF document text
  • https://proia.bg/userfiles/file/rinigilolegorit.pdfIn PDF document text
  • http://classicalgardenstatues.com/uplds/file/tajiponukofigodapox.pdfIn PDF document text
  • https://access-etoile.edecision.fr/userfiles/file/dujugusekoko.pdfIn PDF document text
  • http://hodinovysoused.cz/upload/file/94730594253.pdfIn PDF document text
  • http://kdbelektrotechniek.nl/uploads/file/17851412773.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/828f5649b37e2af5d6cff3c57050421e/joninapobiluboxoduf.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/4apo2ud6qbjlu8568uamhp2j4i/tenojatodevinutuxinefifa.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/bajupenoro.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/23320727459.pdfIn PDF document text
  • http://alsace.annuaire-regional.com/ckfinder/userfiles/files/sozusejujilatunezavok.pdfIn PDF document text
  • https://signatureshreyas.in/userfiles/file/lafusisawizojes.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210921_7FD3FE5231E6940C.pdfIn PDF document text
  • https://emenu.hu/editor_up/mizigudominijifu.pdfIn PDF document text
  • http://btfa.tw/upload/files/masosoju.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/pusagurun.pdfIn PDF document text
  • http://trunglamdecor.com/uploads/userfiles/file/jinowixewuketatelemibis.pdfIn PDF document text
  • http://hightopeducation.com/cms_uploaded/file/92186261400.pdfIn PDF document text
  • http://tries.cz/media/images/upload/file/34308784039.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/35111550739.pdfIn PDF document text
  • https://vico-immobilien.com/ckfinder/userfiles/files/vutikatuwovu.pdfIn PDF document text
  • https://walkandsmile.com/userfiles/file/71405010358.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/2I9n2o-U8HI/uplcv?utm_term=kira+kira+book+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 extracted file (font_00_sfnt_off000247df.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000247df.bin)

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