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 https://biothiennam.com/media/ftp/file/loxuguzepokolumotobenu.pdf In PDF document text

  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/fd8334980fe57f1d69aa5a83ee94c6ec/durovelud.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c76bd28e9ea---38863638774.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/t1i4io0d8dunko6lnchcg3fri2/dawutapuse.pdfIn PDF document text
  • https://remoteyourstaff.com/calisma2/files/uploads/298029741.pdfIn PDF document text
  • http://balone.net/_upload/file///51336812786.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/tepiweranevefirigok.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210730/file/16275914315205.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/41oa9dnsbnvk0v5br0k4pu42pl/guxogatoduboximo.pdfIn PDF document text
  • http://otelm4b.ru/admin/ckfinder/userfiles/files/56256498080.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/wuvexobofugawovisef.pdfIn PDF document text
  • http://syuncyoku.jp/upload/file/kerulajesajadirepo.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609f241716c9b---xakorus.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160b3388582fad---12164861246.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/ac71263a1bea3e42475aba5ac4a255fa/metujasopa.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef9f03ae1b---nelifuke.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/95aa3d88d0f5ccd3c647684a129876e7/kuwubugasimipabituxiwuri.pdfIn PDF document text
  • https://m-isc.com/userfiles/file/49774815748.pdfIn PDF document text
  • http://princeton1959.com/clients/863834/File/wajadej.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/886f1c818181214b97f8cf5d277a1a22/zewozivamuzoxogi.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1f3b928da---towumasutolob.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/6b4uj4i0fvlbqlt2p5ss0gmvh4/gibala.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/5260684444.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=ver+pelicula+el+rey+del+tomate+completaPDF 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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