Malicious PDF — malware analysis report

Heuristics 6

• 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 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 http://anhuishangbiao.com/upload_fck/file/2021-5-17/20210517104422191707.pdf In PDF document text

  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610081378b52b---pufepelorimividamudadopa.pdfIn PDF document text
  • https://jotelek.hu/files/file/zeniw.pdfIn PDF document text
  • http://zeci.nl/im/image/42327482235.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/26372744124.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac704cac042---90574066469.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b82f4f0cc4d---16610208048.pdfIn PDF document text
  • https://securitegenerale.tn/userfiles/file/govajetevemedelo.pdfIn PDF document text
  • http://krakowska98.com/zdjecia/fck/file/dodeboxukadizimedo.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/faxonaku.pdfIn PDF document text
  • https://netshopnepal.com/userfiles/file/95435045201.pdfIn PDF document text
  • http://beamstraffic.ae/amb/userfiles/file/salulo.pdfIn PDF document text
  • http://murielbellhomes.com/userfiles/files/88729070476.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/m1nesqvhci6qdqnvhvm8o296om/86444342977.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/3v9b7ll5ne63oo5r2770t5poi0/24261654188.pdfIn PDF document text
  • http://ags-sib.ru/ckfinder/userfiles/files/37363298086.pdfIn PDF document text
  • http://toshiteriyakiburien.com/uploads/files/50362547616.pdfIn PDF document text
  • https://network-italia.it/file/27140243420.pdfIn PDF document text
  • http://ubest.ru/images/file/lawekaturevaxat.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/eqnvujrlji36b753s8n47u7sr6/jeloko.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/87171912563.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5ffa83881---lokitewabewuv.pdfIn PDF document text
  • http://sns.hu/_user/file/76430005409.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/05248d9e879395a0168d73f5332e623d/71358304079.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/62da5ef031fa3e8013aa9785ab440be8/61576115048.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=kanji+look+and+learn+download+pdfPDF 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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