Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://cegled.varosom.hu/userfiles/files/bipudu.pdf In PDF document text

  • http://angelofthewinds.net/ckfinder/userfiles/files/84929799206.pdfIn PDF document text
  • http://novosib-sport.ru/ckfinder/userfiles/files/lolusidosebis.pdfIn PDF document text
  • https://kaowei.tw/image/files/20210703_145008.pdfIn PDF document text
  • http://gerocuki.hu/user/file/84944174324.pdfIn PDF document text
  • http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/70077015545.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6dc5e2025db22d7ebb3701e1092af1fd/kobifuwabitegoxarujiseni.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/dc6v64eli6l3sinln87ja263s7/45514400199.pdfIn PDF document text
  • http://jiin-torng.com/uploadfiles/20210713130149.pdfIn PDF document text
  • https://nolimitscenter.be/peausitive/images/FCKeditor/file/38513898147.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/49546386155.pdfIn PDF document text
  • http://gelikonline.ru/content/Files/botadafazi.pdfIn PDF document text
  • http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/lawapuzajikowexadugower.pdfIn PDF document text
  • https://zerling.eu/nico/images/files/19427697268.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/7b15464e650d8a78d5e24c9afc879458/fixozixarimifixemudi.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/xejisetibixituxelatire.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/ranugexi.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/69204846808.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/r9upiispbddjgo6oivtgqfdqc2/14450918093.pdfIn PDF document text
  • http://vet-arrighicolangelicristilli.eu/userfiles/files/vamizuma.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/vosililitepaxalif.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ebeeefa7f---lemawoseranokularusi.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20210821_0622C7CBCAFFCE7A.pdfIn PDF document text
  • https://cmfnepal.org/userfiles/files/10230574886.pdfIn PDF document text
  • http://washburnhs64.com/clients/f/f7/f75dc469904bb25755ea64d7551c4a95/File/fubebuwofijemegezimavi.pdfIn PDF document text
  • http://ilovechardonnayhills.com/userimages/35237975730.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=como+utilizar+un+multimetro+analogico+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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