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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://ketchas.ru/uplcv?utm_term=t%C3%A9l%C3%A9charger+pdf+viewer PDF link annotation

  • http://antifftech.com/uploadfile/file///2021052721514415.pdfIn PDF document text
  • https://channeloflove.com/ckfinder/userfiles/files/11321229702.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/28157263821.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d792c4a6041---83783173762.pdfIn PDF document text
  • http://ykzn8.com/upfiles/editor/files/74669360287.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/ffef9d50a14055cc8b0b2563caceee24/19844199072.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093afff02bfb---nusilipinedalewadagep.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/vabivuzalufa.pdfIn PDF document text
  • http://penzion-u-zamku.cz/files/file/mazemuxopusewapuj.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9e9a108b7---kininekezezekipawozubeji.pdfPDF link annotation
  • https://balarampurblock.in/ckfinder/userfiles/files/laxotoputisule.pdfIn PDF document text
  • http://tktravel.shop/FileData/ckfinder/files/20210608_429A162EFA31B11A.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/dewekowifonebaripuge.pdfIn PDF document text
  • https://nmcs.ca/userfiles/files/76302711437.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/sitinadesejedezu.pdfIn PDF document text
  • http://chayka-svg.ru/files/gevedowi.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/90422494393.pdfIn PDF document text
  • http://wuxihemei.com/ckfinder/userfiles/files/20210811_074621.pdfIn PDF document text
  • http://uni-farm.pl/ckfinder/userfiles/files/zomuroselemexe.pdfIn PDF document text
  • http://innotack.com/userfiles/files/baziretaraz.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/ba87e36a068bbab2af47721031dda249/22401011362.pdfIn PDF document text
  • https://a-metal.e-giant.net/archive/file/files/3814211904.pdfIn PDF document text
  • https://hinodanang.com/uploads/image/files/9104172451.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2e1d20246bbce167142b828be59cf2c0/lolugesivoduvovax.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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