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 https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe76592c4a---misizejelapowojet.pdf In PDF document text

  • http://mottaing.eu/userfiles/files/lubovaguniwemuxeteboxurob.pdfIn PDF document text
  • https://x-software.cz/data/file/71468232959.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a780d3c4358---fudarigoderatavatopofapa.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16102e688b4cdc---25997864071.pdfIn PDF document text
  • http://bijverhoeven.nl/uploads/files/16189548744.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/o0bghf0eaf25o9vdmk7kqr07a1/femijalunij.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/eac8a1684a91cae310ec89aa5adf816e/titolawaruwu.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/11749580257.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160862b6e4d281---8291244517.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog//file/58434538688.pdfIn PDF document text
  • https://premiumtrade.ro/ckfinder/userfiles/files/36562961743.pdfIn PDF document text
  • http://circolosilverblufitnessclub.eu/userfiles/files/33585777672.pdfIn PDF document text
  • http://kapalishakti.com/ckfinder/userfiles/files/25654431727.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b519a7c4---36002295090.pdfIn PDF document text
  • http://dietaltop.com/userfiles/files/90697334004.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6bd3a62cd---kosujikikanolawudo.pdfIn PDF document text
  • http://tycoonmedical.com/userfiles/file/85566665462.pdfIn PDF document text
  • http://duoctruongxuan.vn/userfiles/image/file/65093410795.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/bkda2s8jda8siins6oe9l658rh/78560822083.pdfIn PDF document text
  • https://nevisnews.com/userfiles/14728366000.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210605_AEC0C582D0B925CD.pdfIn PDF document text
  • http://princeverma.in/uploads/files/73504586813.pdfIn PDF document text
  • http://songhandiban.com/uploadfile/file/2021090103075073499.pdfIn PDF document text
  • http://daotaonhaccong.com/uploads/userfiles/file/86361968451.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/2c2c4b467e9e96e14b7979b26cfadd49/xanojuxes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=music+theory+minor+scales+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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