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 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://cructi.ru/uplcv?utm_term=vlsi+interview+questions+with+answers+by+samsony+pdf+free+download PDF link annotation

  • http://dralituncer.net/userfiles/file/24734317794.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/6bjev4f5qc9hnsfqa4b6j0td8f/tevudos.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/43339394486.pdfIn PDF document text
  • http://baggiez.net/userfiles/file/tinuvakabajiwuxobufug.pdfIn PDF document text
  • https://telenovella-bg.com/files/14234799615.pdfIn PDF document text
  • https://babetravelling.com/ckfinder/userfiles2/files/naloxuzosobijefakiba.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/a1c60af04514fee9e9e70ba7c7e30274/lilokalujamipibimenuxi.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/jevozukudidubawibozak.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/52779693354.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf563e512e---13975461068.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2675cb67b---fodabowokelo.pdfIn PDF document text
  • http://jeyadhurgatemple.com/userfiles/file/52478635212.pdfIn PDF document text
  • https://resonanceacteurs.nl/userfiles/file/84099400798.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/84912342627.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/4ae15260b8c42f2559df781608a5515a/2484729213.pdfIn PDF document text
  • http://chi-kara.net/userfiles/file/kinogovuwad.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/12489034722.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/6466815070.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/7403f2cebcf8927ee55a38427b2c577a/deluxewuwixetep.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/84516310108.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/7962ceab49b04baf15a155777307813f/7740478964.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/1crt9bb4ipo2vsbjcmd0ibt88b/ribetafepigazaseveka.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/19294038154.pdfIn PDF document text
  • 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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