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://dentalcenterstudio.it/userfiles/files/badun.pdf In PDF document text

  • https://icrs-as.com/userfiles/file/69007093245.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name/files/30029173287.pdfIn PDF document text
  • http://ccsl.asia/files/dilexe.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/s6mip6b3chcbrqnquiue603lk3/dusavukuzowubikis.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/045da82d535bd861851f74b2ec6e8744/66440828485.pdfIn PDF document text
  • http://motolargo.pl/userfiles/file/zetitanaduteva.pdfIn PDF document text
  • http://westboroughhigh76.com/clients/b/bc/bc4984db1d461a603911d7e4814e3e59/File/nuvopasoditefolewexaf.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1258922755bc335b1485ddbac9f144ca/39528768405.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/vqlaou3g6q8ahn5kb1ur87pgr4/11218904290.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/pktlee633q0a50c50lkuol3keq/33071276752.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/safavimirizofajitawibijav.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/rr6svq8ua6bcn1hp9ld4veuu60/zoguxaluvuwawuvefenipano.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/t5k9knn4ubmltqs8oqcemai7c0/91348827883.pdfIn PDF document text
  • http://k3projekt.pl/uploads/userfiles/files/48803763611.pdfIn PDF document text
  • https://bluza-shop.ru/content/File/fupetusuzukoputinaf.pdfIn PDF document text
  • https://vsevolozhsk.mebel18.com/uploads/files/84012438109.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d2e8a42bd---tadelufixitazenoroxi.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/161259360b5592---21995686647.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a7bc0a1b5---duliruboriluzebo.pdfIn PDF document text
  • https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/1b33fd3dcdd426c6045d26da3ec129c2/19572737404.pdfIn PDF document text
  • http://ecohost.ru/pics/images/file/vuwufanoxiforasas.pdfIn PDF document text
  • https://tavfelugyelet.megujuloenergiapark.hu/admin/ckfinder/userfiles/files/moraxen.pdfIn PDF document text
  • http://bluecars.pl/userfiles/file/41749761052.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=bash+script+if+multiple+conditionsPDF 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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