Malicious PDF — malware analysis report

Heuristics 7

• 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 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://cardion.dk/gfx/fckimages/file/47165302279.pdf In PDF document text

  • http://thesecurityguardunion.ca/userfiles/files/90002737932.pdfIn PDF document text
  • http://klientskazona.radeton.sk/ckfinder/userfiles/files/ledonajodoxafikuva.pdfIn PDF document text
  • http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/59759482146.pdfIn PDF document text
  • https://alyosserspneed.com/userfiles/files/72212798590.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/buvinogowuvipatovakavano.pdfIn PDF document text
  • https://otartufo.com/ckfinder/tartufofiles/files/37239283374.pdfIn PDF document text
  • https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/1adbdcd8889d4897eb29d6cba37d8330/81107590458.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/1cud6k8csrikcqslmbah9qkf0c/gezuwu.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4c5d0d036---tipuwala.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c87d021d9d2---90353157246.pdfIn PDF document text
  • http://sandsflooring.co.uk/ckfinder/userfiles/files/dizukuxirakojigubo.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/3a7825d217f0803bdfcc5f6df6f1e0df/48554284095.pdfIn PDF document text
  • https://villatoscana-pi.it/userfiles/file/45570699517.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/fodapumun.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608338be3821a---noleguvitametofexexoxu.pdfIn PDF document text
  • https://cahayamimpi1.com/contents/files/86138598838.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/4iljdml8d220ek6u28v4skfk5d/ximepogibiganuruwipejevo.pdfIn PDF document text
  • http://www.cenlaenvironmental.com/siteuploads/editorimg/file/17335024131.pdfIn PDF document text
  • http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/1623257835221.pdfIn PDF document text
  • https://beautydiction.com/ckfinder/userfiles/files/zopojifijuxisa.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae83df9d72f---tejag.pdfIn PDF document text
  • http://lyzjkgm.com/d/files/92618810778.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/42713978082.pdfIn PDF document text
  • http://dentalclinicbangalore.com/uploads/kakubagekebiwopekunofared.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=what+are+the+cheapest+penny+stocks+on+robinhoodPDF 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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