Malicious PDF — malware analysis report

Heuristics 7

• 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 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://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbf7f9b496c---kebiba.pdf In PDF document text

  • https://greenlakepaint.com/ckfinder/userfiles/files/navupefumovok.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf660d517b---litesawanavibokes.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/sijevutozikerudizimomut.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/91887339196.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/c8fjth758u65nfaeu0bm2sqii2/72461531220.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-6/file/wojuruzafotusuminijuged.pdfIn PDF document text
  • http://jjinline.org/file_upload/file/59490113339.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609842eacacc0---10516506345.pdfIn PDF document text
  • http://asbu.net/uploads/FCK_files/file/59373845644.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/ae2ofrlqm4c76ddeaua3mh2clh/82354718008.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e842a046e---wujogajazufesemewufola.pdfIn PDF document text
  • http://kantoromega.pl/userfiles/file/kobulu.pdfIn PDF document text
  • http://gokea.org/upload/editor/files/wadezemofeloraxilid.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/20682850095.pdfIn PDF document text
  • https://szallas-karpatalja.com/upload/xozilabakotuwezelirir.pdfIn PDF document text
  • http://olympicburger1988.com/uploads/files/94064835396.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/kaninozaxis.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16094dcf47a89b---zuwegirevet.pdfIn PDF document text
  • http://naphotelbangkok.com/userfiles/files/16194938570.pdfIn PDF document text
  • https://castel.ro/userfiles/file/53465493916.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160745285dec87---29006375013.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/f5vuoogm12sdgst1o6og5ht8s3/1469928434.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/39f86ee66f74f37fb79ffbbeb375ed03/25093870305.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=molaridad+molalidad+normalidad+y+fraccion+molar+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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