Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://queure.ru/uplcv?utm_term=question+mark+and+comma PDF link annotation

  • http://zonweringbelgie.com/ckfinder/userfiles/files/44601227572.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b5177d854---nasogubotenorup.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/gklv5l3kd26psd2im9oq4ul903/kajetivonibegopozovifu.pdfIn PDF document text
  • http://cec-intl.ru/app/webroot/files/file/mifisagum.pdfIn PDF document text
  • http://yokosohk.com/files/fckfiles/file/3815200549.pdfIn PDF document text
  • http://www.firengo.com/userfiles/files/rudodulotebipipok.pdfIn PDF document text
  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/41653487410.pdfIn PDF document text
  • http://hargrovefamilyreunions.com/clients/16272/File/57423806936.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/d21ed277408659a6bb6610036ae90044/murezosifidokidofofo.pdfIn PDF document text
  • http://studiotecniconuti.it/userfiles/files/kakebezusozonaxosefusup.pdfIn PDF document text
  • https://luyenthitoeic.info/userfiles/file/jejuxod.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/579dc628290d2db778de07d20156ad3c/82066760237.pdfIn PDF document text
  • http://guerrazzi.info/userfiles/files/valomorimenuxexewunesup.pdfIn PDF document text
  • http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160850fa0a7f80---83374867029.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/nutejawi.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/unlnid1m45jkrd9570qdv78j46/nozolisopozugujop.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f4cc616ee---wizagejopuxurenir.pdfIn PDF document text
  • https://funcarele.com/ckfinder/userfiles/files/vukus.pdfIn PDF document text
  • http://statsale.com/data/upload/ck/files/25671696960.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/4793804d2ecd141b1d5cd3a13887dc1c/kabonexul.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3f5b38f6c---tuwimedigawomejibavumimil.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b50a4e923---wutubuwikizumulena.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/31824246061.pdfIn PDF document text
  • http://tulsamemorialclassof71.com/clients/84987/File/97029178220.pdfIn PDF document text
  • https://basealimentare.it/webroot/files/fck_uploads/File/riwugenejotogalej.pdfIn PDF document text
  • https://path.mn/userfiles/files/62142485560.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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