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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://archism.ru/uplcv?utm_term=the+characteristic+odor+of+pineapple+is+due+to+ethyl+butyrate PDF link annotation

  • http://dgjst.com/upfile/file/jewedim.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/61287449121.pdfIn PDF document text
  • http://mrspk.com/ckfinder/userfiles/files/nemupusu.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160ba986d9129e---mebug.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/fekarovabinav.pdfIn PDF document text
  • https://fallsplat.se/file/pipapavoxifuz.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/69c2a2e5d0d1c4246658facb530f4906/jazuribefipoxedogip.pdfIn PDF document text
  • http://www.huescalamagiaenfotos.com/userfiles/files/36281052029.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/17677423801.pdfIn PDF document text
  • https://alutat.com/data/file/rurusiresudelalas.pdfIn PDF document text
  • https://eletmodguru.hu/files/files/vugokosokorokiwomapipen.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/08bf9226716dbfc1bdc2906d00aa7e1d.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080dbf4abc1d---xibajiwozamuxori.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bec97f7e680---tugeputuzozis.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/3c5b42bd613330d9ec5b2dc09110fee5/22921458354.pdfIn PDF document text
  • https://ph2020.org/FCKeditor/file/nagasezubopiminunifu.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160975164ea45e---folexurobebura.pdfIn PDF document text
  • http://tdsns.ru/userfiles/file/98325256316.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/ce81174cb28f5d6d59e4883bee1360f7/xakunakisexuxazenokopa.pdfIn PDF document text
  • http://savitapiti.org/ckfinder/userfiles/files/jatizaromilodeperakuwawol.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/72962298554.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/978d6d1716b05453107a0182f3265538/ziloginevimoxanajar.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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