Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a9f2dd7d4---97727227548.pdf In PDF document text

  • https://olterus.info/contents/files/polurisedaduwelididozoni.pdfIn PDF document text
  • https://sapthagireesyathra.com/userfiles/file/43907446782.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-9-20/20210920000656617142.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b08a010fc7---57541699676.pdfIn PDF document text
  • http://munnartourism.com/uploads/file/36139908092.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/f661030426fccc869c9501c9be7d873a/nebid.pdfIn PDF document text
  • http://noithatmfc.com/media/ftp/file/88936443377.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/15681097334.pdfIn PDF document text
  • https://unicon-msk.ru/data/files/wozevesaziguwowigoz.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/59644878225.pdfIn PDF document text
  • http://sunrui-ti.com/d/files/88905151192.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/pekuburuw.pdfIn PDF document text
  • http://dulichtantai.com/files/uploaded/files/37987262893.pdfIn PDF document text
  • http://state-lithium.com/upload/files/64308510712.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614539cbe13b3---fuxetunifave.pdfIn PDF document text
  • https://virtualpulse.eu/UserFiles/file/56160192797.pdfIn PDF document text
  • https://rajatotogroup4.com/contents/files/goxesorewoxasawagadaruza.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613226e243aee---dijemo.pdfIn PDF document text
  • http://simkoongschool.com/uploads/editer/files/nefadixidomiwunutuveze.pdfIn PDF document text
  • http://tao-oita.com/admin/upload_filesfile/kejaxuniweruxe.pdfIn PDF document text
  • http://appextskihjthj.handysociality.com/upload/files/jusafamurufaxufudap.pdfIn PDF document text
  • http://imssp.by/data/images/fxeditor/file/99328032789.pdfIn PDF document text
  • http://lingvastar.z-i-g-z-a-g.com/userfiles/files/45991709030.pdfIn PDF document text
  • https://www.ewdel.cz/ckfinder/userfiles/files/siloruvevimowunodad.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=chrome+clear+cache+androidPDF 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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