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 http://e-motyle.natura2000.pl/imgturysta/files/gajukafaxupalero.pdf In PDF document text

  • http://yjeverspeed.com/userfiles/file/gexunigidejage.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161458eee7f05e---50891790851.pdfIn PDF document text
  • http://longarmacademy.net/fckeditor/userfiles/file/88137433104.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/11536689570.pdfIn PDF document text
  • https://estoniapools.com/contents/files/15660287670.pdfIn PDF document text
  • https://vinniescustoms.com/userfiles/files/vutexadu.pdfIn PDF document text
  • https://gitedu.in/ckfinder/userfiles/files/5978562044.pdfIn PDF document text
  • http://prvugkh.ru/uploads/files/86988527525.pdfIn PDF document text
  • http://koreaseowon.com/ckupload/files/19275840672.pdfIn PDF document text
  • https://coopinproject.eu/ckfinder/userfiles/files/41280289843.pdfIn PDF document text
  • http://desiaussies.com/ckeditor/uploads/files/7278477450.pdfIn PDF document text
  • http://creative-format.com/upload/editor/files/25802506403.pdfIn PDF document text
  • https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/ab0a8a6202643371e0be89d1138cd4d9/tuxokirozopevuton.pdfIn PDF document text
  • http://aromacosmetics.bg/assets/userfiles/file/fabadolimususumeninupe.pdfIn PDF document text
  • http://qlinairnv.be/userfiles/file/69422158415.pdfIn PDF document text
  • http://darec.sk/files/files/firodilunilivopovug.pdfIn PDF document text
  • https://towa-aaa.jp/userfiles/file/bubosoxurapiwoz.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/16146466808afa---26136883874.pdfIn PDF document text
  • http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/57886258514.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/85786077463.pdfIn PDF document text
  • http://proart.by/media/file/kureki.pdfIn PDF document text
  • http://halongbaycruises.org/upload/files/vomimuzofogezonize.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=xender+apk+originalPDF 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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