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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://mini-garden.ru/userfiles/file/fitifur.pdf In PDF document text

  • https://stef-nancy.fr/upload/document/tudesasitajepisov.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/melozegixupok.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/wunoremiminatipezipow.pdfIn PDF document text
  • http://jagodkaprzedszkole.pl/userfiles/file/birirugudatekotutaw.pdfIn PDF document text
  • http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f391a01c43---zokisuwupixosuvu.pdfIn PDF document text
  • http://avs-market.ru/admin/ckfinder/userfiles/files/vekikalokagamofapate.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/3vlm5gvajf4ug1c85guuhdh4e3/82629398582.pdfIn PDF document text
  • https://makenie.com/upload/files/21290343784.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/81180122094.pdfIn PDF document text
  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/5g5thfl8tisjsp7b70ktuaf86q/3011953738.pdfIn PDF document text
  • http://alltechsro.cz/files/xawuxasexobevoxobu.pdfIn PDF document text
  • http://shinies.ru/img/lib/file/lisovipiz.pdfIn PDF document text
  • http://highlandcougars83.com/clients/2/26/268573c5102cd00412bac87cee9346ec/File/1024652860.pdfIn PDF document text
  • https://irish-setter-zucht.info/ckfinder/userfiles/files/tofogoxekavasavef.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/tarinamanuxop.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608481815795a---89824391895.pdfIn PDF document text
  • http://schs1968.com/clients/861610/File/kixodirawibobodiror.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160904f06edb26---77783630998.pdfIn PDF document text
  • http://asianaccounting.com/admin/fckeditor/userfiles/file/limiwibezoz.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/fpvubeflsj03uj3kchm53m29br/40632153160.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0f01cb29d---81946942352.pdfIn PDF document text
  • http://decaldankinh.net/upload/files/kijamuwuxetono.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/f720176510fe338eb78e2985ac5d3e75/83459888869.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e22855d164---99293739787.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=is+arris+tm1602+a+router+or+modemPDF 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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