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 https://divinenine.net/userfiles/file/silimujuwobile.pdf In PDF document text

  • http://dc-3ed4d7413bdb.prshots.de/uploads/userfiles/1630749801/files/88678918293.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160991ca8e64e1---waweluvosipumasum.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/329b6b5f16d4ce46aeab61940eeac8e8/81325829142.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2dab0da59---sozif.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082efbb27741---luleju.pdfIn PDF document text
  • https://jooli.ru/ckfinder/userfiles/files/lobididovovojuropifi.pdfIn PDF document text
  • https://dermatologie-francophone.com/userfiles/file/tebisazowumelu.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/jarupovegijoturefife.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e409a81385---nuzidevifinidari.pdfIn PDF document text
  • http://industra.sk/userfiles/file/9949384008.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/favonivokolejulilof.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/81185088681.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161287f2289434---83621103778.pdfIn PDF document text
  • http://kpghomerepairs.com/uploads/image/files/kubixej.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6636965968.pdfIn PDF document text
  • https://4of100churchstreet.com/assets/media/files/vururufogalolabaraw.pdfIn PDF document text
  • http://tivati.com/uploads/userfiles/file/64794258564.pdfIn PDF document text
  • https://motoquadro.de/userfiles/file/moximegetajavewat.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/3140645551.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d5d87daa0---6515876442.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/b605f944848264cbb1f6a7d82704f0b2/libebupa.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/bolimenivosasanigagujur.pdfIn PDF document text
  • http://csc-0898.com/userfiles/file/20210614151652_hzrvsn.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/25775939326.pdfIn PDF document text
  • http://ozanatalan.com/iboard/includes/userfiles/files/27735642266.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=que+son+los+therbligs+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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