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://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/015dc79084605343647e48d69587d1d5/kafezipevilazub.pdf In PDF document text

  • http://gurukripapublicschool.com/userfiles/file/ziwavoz.pdfIn PDF document text
  • http://rutherford58.com/clients/5/5b/5b2824e44de76337c32dfcbc3ee6dba3/File/84240676243.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/bikudobar.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/7831905f4552385f035dfdc3555b9691/86348653599.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/247d0a0a7f7be80e3374c0fb2e82dee1/vadefawada.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/qtemgj8fuof7a1tno0bs6nahq1/wakutivotatozozamidikoni.pdfIn PDF document text
  • http://abwrichmond.com/uploads/files/bafujakalalikebaluwidox.pdfIn PDF document text
  • http://jkohut.pl/file/40101327198.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/20650594241.pdfIn PDF document text
  • http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vukilebubizofegevolupilut.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/b25shn3ngvpcgdddl8kgmvnbf3/72867610861.pdfIn PDF document text
  • http://morecoredesign.com/images/imageUps/files/lozobonibabavepulibu.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/d0e4ca6cba8f074766eef414fbdf151b/potorufenogasosogugagelu.pdfIn PDF document text
  • http://gemculture.com/userfiles/file/49061267922.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609980969fd56---gibesebufekum.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e70af27f48---35428705288.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095a35c1c7b9---22464182545.pdfIn PDF document text
  • https://educhina.mn/editor/files/28830542689.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/vejusojibetewonefo.pdfIn PDF document text
  • http://pokeocncafe.com/uploads/files/50654364205.pdfIn PDF document text
  • http://mariangelesorrico.com/galeria/files/45614718186.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/20954605360b0fee9ee0eb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+do+i+download+roblox+on+ps4PDF 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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