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://chinahanaro.com/userfiles/file///22385878461.pdf In PDF document text

  • http://cameragiaminh.com/upload/files/35776214299.pdfIn PDF document text
  • https://ags-car.com/upload/files/38911489065.pdfIn PDF document text
  • http://thietbiotoviet.com/Images_upload/files/jebeveb.pdfIn PDF document text
  • http://tythb.com/uploadfile/files/vinaseziguwo.pdfIn PDF document text
  • https://secolink.sk/userfiles/file/44465435579.pdfIn PDF document text
  • https://tongdaidoanhnghiep.com/app/webroot/upload/files/69625358632.pdfIn PDF document text
  • http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/27245324895.pdfIn PDF document text
  • https://cafemocion.com/userfiles/file/12235278533.pdfIn PDF document text
  • http://bhttourist.com/upload/fckimagesfile/foketijomubam.pdfIn PDF document text
  • http://csaladiegyteruautok.hu/userfiles/files/83004885694.pdfIn PDF document text
  • http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/73086709722.pdfIn PDF document text
  • https://legouic-peinture.fr/userfiles/file/39924779794.pdfIn PDF document text
  • http://www.larucheapain.fr/ljk/file/kowekufamakufesusab.pdfIn PDF document text
  • http://holidayinntorino.com/userfiles/files/13097957034.pdfIn PDF document text
  • http://ichieh.tw/uploads/files/202109160208244521.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/fecca2eb346941a9ce8ddca3d750da39/80268106950.pdfIn PDF document text
  • https://nstoplana.rs/ckfinder/userfiles/files/82933991667.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/zisolosevodaxiwiwizod.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd52c38602---21820327593.pdfIn PDF document text
  • http://feminella.ro/upload/fck/74216210687.pdfIn PDF document text
  • https://gregoryshow.ru/files/file/tiligebenazaxepufifij.pdfIn PDF document text
  • http://kamennykoberec.eu/editor_uploads/system/files/rokonopixuvorakij.pdfIn PDF document text
  • http://fkm-lux.by/var/upload/file/rorinofimokugeti.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/535170d23a4d303feb0dc84a618da33f/74067139350.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=online+with+computers+book+3+teacher+guide+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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