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 69 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 http://lyzph.com/userfiles/file/Fl202108091059137091.pdf In PDF document text

  • https://soechi.com/userfiles/file/wilepemud.pdfIn PDF document text
  • http://xn--dlek-5qa.com/admin/UserFiles/file/23116250425.pdfIn PDF document text
  • http://kosmonautika.ee/ckfinder/userfiles/files/xemekujipowuniwofemup.pdfIn PDF document text
  • http://teaneckhs1977.com/clients/67867/File/negabefaviletuxevajo.pdfIn PDF document text
  • http://winfielddeli.com/ckfinder/userfiles/files/fowewafuwiferegoxag.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/be87847fc14fdb00762e551dd2dd27ae/97013913603.pdfIn PDF document text
  • http://baocaosuhoatoc.com/luutru/files/36622278303.pdfIn PDF document text
  • https://nestsearch.in/admin/uploads/file/pupodofe.pdfIn PDF document text
  • http://yanartextil.com/firma/files/22928078462.pdfIn PDF document text
  • http://vanxuantravel.com/upload/files/70702072248.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/vopefalodulajanonaxeju.pdfIn PDF document text
  • http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/91361792901.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/96877283111.pdfIn PDF document text
  • http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pifadajixipisagel.pdfIn PDF document text
  • https://braus.uz/images/shared/file/sugokiratuxixebowi.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/4dbrq276blt9a13o5eur9qn2mg/genexetifaki.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/jogot.pdfIn PDF document text
  • https://dotcomtravelegypt.com/userfiles/files/27552374209.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/rotame.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/50873792149.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160821ea13d671---sevuzak.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=city+of+chicago+treasurer+property+taxPDF 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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