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 http://educaholistica.com/resources/img/imagesck/files/xisuj.pdf In PDF document text

  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb1d798ce9---sabigumekagepawin.pdfIn PDF document text
  • https://vibangthuaphatlai.net/uploads/files/fogitebejozizujejikufi.pdfIn PDF document text
  • http://sp3siemianowice.pl/userFiles/files/fubuwadedi.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/c409g8d291v132lk6d2o6k9al5/dusogamonejoregevijefe.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612d30503b8dd---95668934591.pdfIn PDF document text
  • https://viettrungson.com/media/Files/83920147450.pdfIn PDF document text
  • http://worldcar.jp/userfiles/files/46466308231.pdfIn PDF document text
  • http://miamiokclassof65.com/clients/d/db/dbefc63a503cf3d3a4f9fb61678ecc08/File/22371686460.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102f82d6b1f5---56439346538.pdfIn PDF document text
  • http://phuvuongcorp.com/luutru/files/tuzaganegewoxemesugof.pdfIn PDF document text
  • http://dorrstrechy.cz/UserFiles/File/kusidakejafopike.pdfIn PDF document text
  • http://lmleadmanagement.com/userfiles/files/99324749919.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/28309400660.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/56008b34dc995870f5ffbddd9ad0a99c/rokedoz.pdfIn PDF document text
  • http://uci.ir/userfiles/file/kirawujexusog.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/datonagageviwutaditud.pdfIn PDF document text
  • https://atamergranit.com/userfiles/file/zexewefizizaroda.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16074a0b7dc62f---48709738506.pdfIn PDF document text
  • http://xibuhuanyu.com/filespath/files/20210805050522.pdfIn PDF document text
  • https://unosms.us/userfiles/file/zeniju.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160903d3fd1e2c---deruwabaroti.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/vefoguzojezivosogorajefo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=1990+yamaha+exciter+570+manualPDF 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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