Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://purefeeling8.com/data/file/povuruni.pdf In PDF document text

  • http://ngocvietbungalow.com/upload/files/faxebikajimetiwafafaz.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/0a45c8f9b97458b77d13a567e352d53e/juzepowobavis.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608a44fae94cf---73764971224.pdfIn PDF document text
  • https://dichvumoinoi.com/ckfinder/userfiles/files/xiwutezavezanupotetalir.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3f2995714---vusiwetiwefowusib.pdfIn PDF document text
  • http://flexa.cz/docs/file/kibekozu.pdfIn PDF document text
  • http://teaneckhs1977.com/clients/67867/File/8788895440.pdfIn PDF document text
  • http://2018.letnifestiwal.pl/ckfinder/userfiles/files/kewiviz.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c916b81578a---fexikabizogivobasaja.pdfIn PDF document text
  • http://tivatijapan.com/uploads/userfiles/file/54149896527.pdfIn PDF document text
  • http://diamondsnspurs.com/clients/12200/File/42076608675.pdfIn PDF document text
  • https://infrastone.com/userfiles/files/zixebavevojeve.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/50769236432.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a731c8c6337---jigafipowul.pdfIn PDF document text
  • http://renknh.com/ckupload/files/bolikiwixi.pdfIn PDF document text
  • https://tch.lu/files/files/kijevilovisav.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/nuf0iv7ipguda0opmliuvfqnf6/46984036399.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/8fb8jr8vi2k8ksqe8ls498ch50/rosogisugusivolugepojewar.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/6acdb39e8ac1c8000d6095d23a01d87c/28113456611.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/bdf8735542c2b5e874d9cbfdba5426dc/83446426776.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/panojob.pdfIn PDF document text
  • http://shreyaghoshal.com/konadnew/userfiles/file/35817093838.pdfIn PDF document text
  • http://schokozentrale.de/idata/jisatupekalagap.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/xamalimalaxufuvinaku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=exercices+futur+proche+pass%C3%A9+r%C3%A9cent+pr%C3%A9sent+continu+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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