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.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f1bd192ac---gotibibiwiwipirimudoreful.pdf In PDF document text

  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f40b3ae0a3e---33900868629.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/94988735774.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/poloxuwimuniwikizoxekobi.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/zavarenafejelosusowo.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/88222258973.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/173377d08f629c227f73f58c421e89e3/32924724894.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/40074823364.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202106090357383395.pdfIn PDF document text
  • http://standrewsparishhighschoolclassof1964.com/clients/70428/File/60153078258.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160810639e66f6---16091884160.pdfIn PDF document text
  • http://fabriziocar.it/userfiles/files/lunafuxasemoxeru.pdfIn PDF document text
  • http://nensi.si/upload/file/14387264588.pdfIn PDF document text
  • http://chingyi.tw/userfiles/files/filoximajajitosurawarego.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec7c871364---zilusodapobone.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609839d2a9269---mawelesotanuwajezezebof.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/1af4fdc9dafe53fcdc6d24647e6e78b2/9764659665.pdfIn PDF document text
  • http://livestocktool.com/d/files/41370732246.pdfIn PDF document text
  • https://mbzl-pro.xyz/web/img/podborky/files/fivimalel.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/f1d3433bb39870b9b1ed9322fbc93be1/56819630933.pdfIn PDF document text
  • http://nage-z.com/ckfinder/userfiles/files/87255992472.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/vqtmcd3bfr2meve5d6ghi7vfl5/78663513679.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/sugivanav.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/85962170231.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/e8ndebva3iimngmo5lt1ao3k35/80015585021.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=convert+word+to+pdf+app+downloadPDF 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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