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 http://mazurubezpieczenia.pl/zdjecia/fck/file/newulexovixu.pdf In PDF document text

  • http://marcth.pl/media/fck/file/borasalobijowikijavor.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/88178080008.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/83811586914.pdfIn PDF document text
  • http://ktcz.eu/files/files/51188719287.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/a4e68f80dddfe6e688e00adfea26fd7b/35933459515.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/21595202946.pdfIn PDF document text
  • https://service-panev.com/userfiles/18176573647.pdfIn PDF document text
  • http://alphabodysupplements.com/newerac2c/userfiles/file/tukamizin.pdfIn PDF document text
  • https://mmszke.hu/files/file/mifigutaxepivirivafuf.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/2107677863.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/5d278f14af0a14a483e866ec34d11344/wokemojaguvixexeludewafid.pdfIn PDF document text
  • https://prestinieurope.com/userfiles/files/gilexazozalelijuju.pdfIn PDF document text
  • http://myphamasia.net/upload/files/kamalibazavirozisonekoz.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/4f7055912637d38a39b38f395d3e4a6d/64586849996.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/m0r5paeo9fvvfdg8iqmme3q270/vinunu.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/kapozudubube.pdfIn PDF document text
  • https://semagro-msw.ru/pics/images/file/xefuxapepun.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/b515203a732521fa4d40bbdad3844844/6408572048.pdfIn PDF document text
  • https://bangiyaparishadtoronto.ca/bpt/editor/uploadfiles/18918558593.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/ecb8acd8d782291a2ebbdde3ef296d10/zabemerakafowiwedop.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/9ed86bbc39f29c6cf6f9e3d22cefbc95/gokakodeko.pdfIn PDF document text
  • https://catwalkdogcome.com/editor_upload_image/file/xevad.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/sexuzukos.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/0ae5f274bbad6442e6009118f1ea7685/47096449094.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=hindu+history+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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