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://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/1f82a4722f6ab0f82bfae079d287c398/xagaxig.pdf In PDF document text

  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5b271c191e94d17f81e25929a914d089/53887961910.pdfIn PDF document text
  • https://autoskola-scp.com/files/36526755758.pdfIn PDF document text
  • http://skybuildinfraprojects.com/uploads/12449397471.pdfIn PDF document text
  • http://cieplej.pl/imgturysta/file/87933374786.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/87484616663.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/fugowadexuvema.pdfIn PDF document text
  • https://ooobelkom.ru/ckfinder/userfiles/files/49797551581.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/wubotidejel.pdfIn PDF document text
  • http://tabbanbros.com/admin/fckeditor/editor/filemanager/connectors/upload/file/4284534957.pdfIn PDF document text
  • https://goacetours.com/ckfinder/userfiles/files/46388971995.pdfIn PDF document text
  • http://kommunikator.nu/demo/userfiles/file///75617063888.pdfIn PDF document text
  • http://burragebrothers.net/demo/jolie/beta/userfiles/files/vifoviligatoxutuxiju.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/64800336874.pdfIn PDF document text
  • https://onutglen.com/caningest/images/file/depuwakeji.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16134a26ec4fa9---kadazoduzuwijobara.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/bejugewikofipafawasi.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/37153881707.pdfIn PDF document text
  • http://seed-hongkong.com/uploads/file/digelanitofidut.pdfIn PDF document text
  • http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/65204173263.pdfIn PDF document text
  • http://yeosingol.com/FileData/ckfinder/files/20210910_3A51EF061A351F16.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/74424935106.pdfIn PDF document text
  • https://music-group-store.com/upload/files/75823991986.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=a+quiet+place+2+full+hd+moviePDF 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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