Malicious PDF — malware analysis report

Heuristics 6

• 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 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://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/rch1seroke7buh1gacgok5jcc1/20919805977.pdf In PDF document text

  • http://bensonlandscape.com/editorData/file/21515875087.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086bea86b9af---61722876315.pdfIn PDF document text
  • https://novahealthclinic.ca/userfiles/file/sujup.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a67edb8a0---worufolikum.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/57634920199e8ce81506f097e3085d5a/xovov.pdfIn PDF document text
  • http://land89.com/ckupload/files/tuzoxojusapalezogigumewud.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/4gf6g9eci4ugovms0bgmlsu8i7/jibonirugef.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/f7f0e937051c8a2ff80288d5aac8f557/jufogenipap.pdfIn PDF document text
  • http://matras-devison.com/upload/file/55893733288.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c738b6ed58---teniketowixepatonikope.pdfIn PDF document text
  • http://backupcenters.com/userfiles/file/wupapezutitobisebumagomi.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/41584242041.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/nn6baj17cfocqqi1767k4tpdn1/zosoremekubovifasutive.pdfIn PDF document text
  • http://jiehuist.com/userfiles/files/88575821891.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/oxumaxijegapejevo.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a948cb2a8c3---87332074197.pdfIn PDF document text
  • http://reklama-v-sochi.com/ckfinder/userfiles/files/61710344038.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/a9ff2ffdc4a4e02c5ec23c7f8108b301/venef.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c142c9dc2---ranin.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607966ef926aa---kuzevolivozedanabavaba.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839ffd350be---69529408268.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/mutomefosalojufixowef.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/68496262782.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607174616b32e---74069725470.pdfIn PDF document text
  • https://actorconseil.com/files/file/nitodofozogoju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=what%27s+your+biggest+weakness+interview+answerPDF 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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