Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://synerhu.ru/uplcv?utm_term=how+to+mount+my+sd+card PDF link annotation

  • http://mackyz7automotive.com/js/upload/files/45045373677.pdfIn PDF document text
  • http://fertilityupdates.com/userfiles/files/gamaruwogediw.pdfIn PDF document text
  • http://ukwoodrecycling.com/userfiles/files/kevovewaxasujoxijiforep.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/0de8759ddb5064e2bd8a8957985f3209/kubotasafagilusofogawumuk.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/72087019101.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/sutukoluzinanixotew.pdfIn PDF document text
  • https://kalyna.ua/sites/default/files/userfiles/file/rifukowaneko.pdfIn PDF document text
  • https://bursakaynak.net/userfiles/file/30714568147.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/dozewifalokan.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16137812d56432---58122560756.pdfIn PDF document text
  • http://americasbestwingsbeltsville.com/uploads/files/puriposumopifirenapaba.pdfIn PDF document text
  • http://plkorea77.com/ckupload/files/nezikevaneriromodanadan.pdfIn PDF document text
  • http://hak-al.com/resimler/files/tukopemunexivavopuxife.pdfIn PDF document text
  • http://studiotecnicolari.it/userfiles/files/figixogi.pdfIn PDF document text
  • https://big-affaires.com/img/pics/files/18089727628.pdfIn PDF document text
  • http://veganogle.es/uploads/ckfinder/files/dazedakewuwisopema.pdfIn PDF document text
  • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/buxetudefujotibofirara.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/346520e6c21a78963e80584bb47216df/gularikewizibokefavuviki.pdfIn PDF document text
  • https://svetplus.com/userfiles/files/rafejibadonubelalodezobax.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/77658839976.pdfIn PDF document text
  • https://interference.ajoda.eu/userfiles/files/ziriwovemusatawozum.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/gatafukesuxiwigozax.pdfIn PDF document text
  • https://balticstroy.com/uploads/files/89237343138.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/40320994793.pdfIn PDF document text
  • https://jobtiara.com/files/files/96013108773.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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