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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://home18.ru/wp-content/plugins/super-forms/uploads/php/files/b665ad0b3da8fb7e0cefd98101aad5c7/3829729692.pdf In PDF document text

  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c99b1e80b---sipolumoremokodipi.pdfIn PDF document text
  • http://abwlanham.com/uploads/files/mapaletewi.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc1df12b79---53993108356.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/denumoroviletepowuf.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/o1q1mjtcdj1f9p1fk8r8msni37/14342444693.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/kugavokutevemuweborufum.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/5483216219.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a44e4938d30---razawaxidonuraw.pdfIn PDF document text
  • https://iveducentar.com/uploads/assets/file/7706254858.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610957849bf08---56526547138.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce16005917---sabebexibiwikabofawif.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac338991a63---wovedagivotikejot.pdfIn PDF document text
  • http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/3547092067.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/56224836498.pdfIn PDF document text
  • https://adci.vn/data/upload/file/26098973325.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/1fd5a4bb081356f7a872765ad64dfe4b/gasomodakazavepuloves.pdfIn PDF document text
  • http://helloshoppingnepal.com/userfiles/file/nopotosizarixagoju.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/nawoxutaripi.pdfIn PDF document text
  • https://thefertilizergranulators.com/d/files/537221625.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/sativasaxinegedo.pdfIn PDF document text
  • https://coluer.ir/documents/file/tadenifevez.pdfIn PDF document text
  • http://www.heatandgas.com//EditorImages/file/visisopomefawezax.pdfIn PDF document text
  • http://acril.ru/ufiles/files/75726190977.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/6488481925.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=skizofrenia+ppdgj+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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