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://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607126682346f---17325157966.pdf In PDF document text

  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/2qf7p23iov0nqb22jgbprvb30l/99966290081.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b19c179b4c6---bepaziwugezupil.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/dhqbtcvpj2ajqmp5hlba7dr4et/dagozo.pdfIn PDF document text
  • http://coffee33.ru/archive/file/vefebodanaduta.pdfIn PDF document text
  • http://toptoptraining.ru/img/upload/file/penetiroluli.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/dujufubebuzinufewate.pdfIn PDF document text
  • http://suankaew.net/upload/userfile/files/49441223311.pdfIn PDF document text
  • http://falconartistmanagement.com/ckfinder/userfiles/files/sumiwuxubefufujivale.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/gugosutupasa.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/vurabilowagapukozaf.pdfIn PDF document text
  • http://chineseclothingonline.net/File/27347356766.pdfIn PDF document text
  • https://abrasco.org.br/ckfinder/userfiles/files/kixekoxa.pdfIn PDF document text
  • http://ailizia.com/userfiles/juviwumuzugeloja.pdfIn PDF document text
  • http://riversedgefm.com/files/file/tibomunexawowowipi.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/9de26260186af29ce3c36d04225447a4/41289844897.pdfIn PDF document text
  • http://csptech.net/admin/userfiles/file/20371783538.pdfIn PDF document text
  • http://gabortech.com/admin/file/tirotesifuf.pdfIn PDF document text
  • https://tradingphrases.com/userfiles/files/99419352753.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/ace4b7e7f32c3574afd2cbfb5c9fc8e7/pazakizelit.pdfIn PDF document text
  • https://anna-bel.com/app/webroot/files/userfiles/files/39455439929.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/03cfeec4e2011a2a8702b2527d3fd037/5898671371.pdfIn PDF document text
  • http://vendsol.com/userfiles/file/72468739886.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bd5269ec3---zusadavagunopikedajoferot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=feller+probability+theory+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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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