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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://infrive.ru/uplcv?utm_term=lobulo+parietal+funcion+pdf PDF link annotation

  • https://dineflon.com//files/gidab.pdfIn PDF document text
  • http://nutronicltd.com/userfiles/file/18931311493.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc94fc2977a---jukowopew.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4a1cdfe3f---61693507431.pdfIn PDF document text
  • http://interno-kazan.ru/upload/files/93992552730.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3cf857793---6387943845.pdfIn PDF document text
  • https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/35421908209.pdfIn PDF document text
  • http://euroambulans.pl/userfiles/file/goteg.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/00d8bfb77fcb7faaddc5ae2ff8b80ff6/budubamajafejatufewufade.pdfIn PDF document text
  • http://veterinariacomportamentale.it/userfiles/files/lapivum.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021090622575428212.pdfIn PDF document text
  • http://windmill-bv.com/userfiles/files/89186624894.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/48281609741.pdfIn PDF document text
  • https://silky.ae/images/bulk_images/files/64215658042.pdfIn PDF document text
  • https://bloomeng.com/uploads/39260222000.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/gatulifemufal.pdfIn PDF document text
  • http://studiolegaletrotta.eu/userfiles/files/vaxitobowome.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/3ecf7687916d6cd7391f89c4301afb19/55260995301.pdfIn PDF document text
  • http://indecomavo.pl/inc/50428811506.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/7ris0a623uqdse5sfll68ab0fc/newibejefivuga.pdfIn PDF document text
  • https://leosservices.com/userfiles/file/49427815285.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/98609830787.pdfIn PDF document text
  • http://arniestribu.com/campannas/file/vedidiwikedajiwezajudi.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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