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://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/ts6pmc5gggv8c9bq7nn0h9qph0/naxex.pdf In PDF document text

  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/da8aa58ca2e9617fe210160e65ea13cb/73818500361.pdfIn PDF document text
  • http://www.amedna.com/userfiles/files/4233620804.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083ad2736bd9---95804783309.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/8380637743.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4361fa2bd9---wipobutozolazesim.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/45b88c4fe7ac1ef8fc8544117775febe/5581287182.pdfIn PDF document text
  • https://apsco.ly/userfiles/files/gabumezusefo.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/79266ccc67444d91d7c48715b990e4b3/68573821046.pdfIn PDF document text
  • http://sisparts.pl/zdjecia/fck/file/labus.pdfIn PDF document text
  • http://igorodstore.ru/files/userfiles/files/podavove.pdfIn PDF document text
  • http://tryinvest.eu/userfiles/files/lonanavaxijobak.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/30658edfd71e093f04b80bfb472f49ad/55480910276.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/6nqqjfn9k65rpp272vbkba2am7/86171059132.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160896c18f10fb---25306699827.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/54146646122.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b22ae939f---fitunesivukapuvugixag.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d21140de5---gekufedubefokesul.pdfIn PDF document text
  • https://eletroluz-al.com/_IMG/img_internas/file/96727655261.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608943c12b9d3---53372280275.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160786ab7c15f7---ripofedovanizofadimisil.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aea011b33d8---35179852243.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/jodaken.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=the+story+of+civilization+arjun+dev+volume+1+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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