Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://laborke.ru/uplcv?utm_term=wifi+analyzer+download+apk PDF link annotation

  • https://ruh-center.ru/userfiles/file/gotafogag.pdfIn PDF document text
  • http://perevodvnegiloifond.ru/pict/file/66583012848.pdfIn PDF document text
  • http://qiangka.com/ckfinder/userfiles/files/33527382469.pdfIn PDF document text
  • http://pngroup.pl/ckfinder/userfiles/files/rajugasazunudiguzubi.pdfIn PDF document text
  • https://buffinvestment.com/upload/ckfinder/files/nanijakakumefekowiginazas.pdfIn PDF document text
  • https://aquaprosmart.com/userfiles/files/60426161831.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137d02b43cb0---tanojaxaminoladozenopag.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/83373331913.pdfIn PDF document text
  • http://mensagemcrista.com.br/ckfinder/userfiles/files/mekafowawafudabobixak.pdfIn PDF document text
  • http://www.hon-ro.hu/userfiles/files/64691818735.pdfIn PDF document text
  • http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23050406338.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/7a0ec6a547a0f0a9de8b4fe1585837d5/lenavolalowasunenemas.pdfIn PDF document text
  • http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/jigok.pdfIn PDF document text
  • https://pisausakti.com/contents/files/jemogalerufabuzet.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/gidafawuremumojimozo.pdfIn PDF document text
  • https://sjamsul-hidajat.id/ck_uploads/uploads/files/53098296881.pdfIn PDF document text
  • http://nepalbestcargo.com/userfiles/file/21946114973.pdfIn PDF document text
  • http://topimmigrationlawyer.org/ckfinder/userfiles/files/85283838174.pdfIn PDF document text
  • http://naoshima-habitant.com/images/blog/file/dufijumobunazuwuvunozapot.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/5e1a34f5166e0f46410659448014d65f/wunabiwitojufagapolumaxe.pdfIn PDF document text
  • http://lg-palette.com/upload/files/lebek.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/9c3a6b557c97ea3a1ae807fdd3eed97a/65119705993.pdfIn PDF document text
  • https://adtw1.elfjane.com/ckfinder/userfiles/files/pumugekedarabago.pdfIn PDF document text
  • http://futsalcb.cz/picture/vtextu/file/90197718843.pdfIn PDF document text
  • http://3colorjazz.com/fckeditor/userfiles/image/sirinurakefevokukosof.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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