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://medvor.ru/uplcv?utm_term=kansas+driver%27s+ed+book+pdf PDF link annotation

  • http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/22261513272.pdfIn PDF document text
  • https://evermoral.hk/upload/file/1628923078.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/34127852215.pdfIn PDF document text
  • https://onlinendttraining.net/files/jonumixapuposed.pdfIn PDF document text
  • http://tfforming.ru/d/files/lisidipitopexuduvazakedob.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/3et3nalnlnpppn97q3fnsbfa9q/gedowoxo.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/18308022608.pdfIn PDF document text
  • http://sunjewelsonline.com/userfiles/file/fakomasowep.pdfIn PDF document text
  • http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/21402783682.pdfIn PDF document text
  • https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/38554523291.pdfIn PDF document text
  • http://slsnn.ru/content/file/59841143955.pdfIn PDF document text
  • https://branchennachweis.eu/userfiles/file/tisewobefurilixaku.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/37720353442.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/4e4ebc932ceea7c3f25b192c072437b7/81910569052.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c93a0b25951---62348807592.pdfIn PDF document text
  • https://brawlcall.com/ckfinder/userfiles/files/xusejosemaxonobilonibavi.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/38616059254.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd97af3094---vorifid.pdfIn PDF document text
  • https://vannordenvastgoed.nl/userfiles/file/runesinegirogesiw.pdfIn PDF document text
  • https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/8a96d7e472d442007bc5ca92979dc995/tesodadubusabavo.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160c94eb4e625e---99761118149.pdfIn PDF document text
  • http://flemisterbauldingfamily.com/clients/8/82/82a21d9598fc66f9117a8fb7222c8fd0/File/zipawekusulosut.pdfIn PDF document text
  • http://musiclivemarsala.com/userfiles/files/11574357623.pdfIn PDF document text
  • http://eternalcycle.com/FCKFiles/file/wifakepopu.pdfIn PDF document text
  • http://nappsa.org/userfiles/file/lemon.pdfIn PDF document text
  • https://texigo.tw/upfile/files/2021/08/02/81267159181.pdfIn PDF document text
  • http://jagodkaprzedszkole.pl/userfiles/file/26165153003.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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