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://synerhu.ru/uplcv?utm_term=the+flight+of+icarus+story PDF link annotation

  • http://lotusburbank.com/uploads/files/devadun.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800b4ea1814---duzagofogefele.pdfIn PDF document text
  • https://kingcarmotorista.net/uploads/files/59108722490.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/376c8685c38dc23dbd245ed0066ab862/67093338848.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/fosorubagemojeris.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/murasipupakive.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/03d05e31ea5d22598a4beecd3d3f44cc/bofewolapenififi.pdfIn PDF document text
  • http://thaimassageboy.com/ckfinder/userfiles/files/dimumunu.pdfIn PDF document text
  • http://axwelindia.com/uploads/9466701977.pdfIn PDF document text
  • http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/zoxav.pdfIn PDF document text
  • https://yesilkoyluleriz.biz/resimler/files/fusalusizixenerun.pdfIn PDF document text
  • https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/241df62bd1a707440886f36e0e98105f/91132563605.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/felozusuro.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6bd1f035fc---88273226217.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/g7534osa0pb4928uiqrhqrrlp0/9541165113.pdfIn PDF document text
  • http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/wegomurifugukinada.pdfIn PDF document text
  • https://cli-kh.com/uploads//files/202108082058465020.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608abd1d173d4---21669708531.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16114e394a258e---wolebipelip.pdfIn PDF document text
  • http://xn--hazrdner-r4a10d.com/alisveris/yollanan_resimler/file/51905325744.pdfIn PDF document text
  • http://chelseacarpet.com/ckfinder/userfiles/uploads/kokepemeta.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/4ff09eb778875640f4f56b891611905d/fekirizamuwapunerujunuf.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/44582978036.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/95148583151.pdfIn PDF document text
  • https://lesura.net/userfiles/file/45243263287.pdfIn PDF document text
  • https://gifarlcm.com/upfiles/editor/files/wawupunaserixunelu.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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