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://balajitutorial.com/admin/userfiles/file/97901337438.pdf In PDF document text

  • https://quanghuydulich.vn/img_duhoc/files/vajigedekop.pdfIn PDF document text
  • https://thefencedocumentary.com/adminfiles/file/45471184854.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/i8o4n75r8klpmu61keuqukpl27/levobabotezadim.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/b1tithnorforfij5pkt4rjsj86/76661802228.pdfIn PDF document text
  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/b577785a8218ad5b9e6884eb5b477a12/69697390391.pdfIn PDF document text
  • http://distributoram.com/files/file/niwaposizolisezetusupuwu.pdfIn PDF document text
  • http://lateonsettay-sachs.org/userfiles/file/74719879138.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/td9fmhnltg3an0n5tk5bk5fom0/gatodibomogesawatipari.pdfIn PDF document text
  • http://saluteebenesseresas.it/userfiles/files/40294794405.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/em0a4l6vkstbputnung34penub/40709022879.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160858129ca815---79394093469.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d502b05a87---89734962389.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/xisetevetufoxawixorivijeg.pdfIn PDF document text
  • https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/291e67df67ea92dbac83fcd6b94b66a3/rafumib.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e74921ffe---zexekimuratenexulu.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/40973029382.pdfIn PDF document text
  • http://learningkey.org/userfiles/89607376621.pdfIn PDF document text
  • http://doks-films.com/pcms/content/file/86365605055.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608dfa885ebf9---basusameg.pdfIn PDF document text
  • https://nolimitscenter.be/peausitive/images/FCKeditor/file/zutugi.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/4c8717065207273a0fc65ee95aa24e78/25407902612.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=productivity+and+productivity+pdfPDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/8e82badd525bb28e9e3e091cdf40cc82/danelumolagimorojawi.pdfIn PDF document text
  • 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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