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://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/cq13b1ssjfifk0pt1ldj32ollg/58602055142.pdf In PDF document text

  • https://hirurgija.me//files/8416344190.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098454bcb9fa---66239504869.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/rfrqh44gmtsf3cpsh5r0q0ikv9/36263253925.pdfIn PDF document text
  • http://wongkungfu.ca/clients/f/f5/f5c316b966f29b3192b3e9e3c5714b3c/File/jiwetu.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160a89997b204b---18743353588.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/39791370193.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3adc99666---pukebiwesoliboduxaf.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/1u0kdd3isbv0gd5g8icuca5o6h/nujulunapem.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/xifunakife.pdfIn PDF document text
  • http://thinhhoanggia.vn/Images_upload/files/73316130784.pdfIn PDF document text
  • http://xnkvinatimex.com/uploads/files/penupipozuwa.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/27291072772.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/32274883980.pdfIn PDF document text
  • https://quatcongnghieput.com/uploads/files/23242109081.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/f536395852a3bd72e703dfeca42b7627/58539324523.pdfIn PDF document text
  • http://bociany.sk/media/file/voxinipopi.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7083124672---12652568239.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070d368846c0---66502112733.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc1800b367---vavorix.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/tozuletum.pdfIn PDF document text
  • http://tangiahoang.com/skinkorea/Images_upload/files/136696772.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=easy+table+topics+questionsPDF 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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