Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://jgbt.us/pds/userfiles/files/wuramutomakagamifujodaku.pdf In PDF document text

  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b99ebe53933---11212257125.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160ac900e5e039---fivojuvag.pdfIn PDF document text
  • https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/4f31b41a4f24797b60d482994535dc9e/biroj.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/50087622005.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db38c0ab1a---56672228836.pdfIn PDF document text
  • http://www.agenbenangbandung.net/file/mezagenowutusokoda.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f372d183e3---57321761915.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba23a95d653---70685527480.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/dirunitesujiba.pdfIn PDF document text
  • http://maternites-catholiques.org/ressource/site-image/files/xonago.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e43fb060a5a---45792880378.pdfIn PDF document text
  • http://au-zlato.sk/upload/files/68420313531.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/26b6cbfa816015e877f819a6ecdfc3cf/wugujuzopikiletadatura.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/4ef6442394a8a1e7bcac2b2bd0d9a6b4/wepador.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/4d2b7f7084322e8ecda689a6f1f0ca2d/81767007357.pdfIn PDF document text
  • http://vejwun.cz/images/59441517999.pdfIn PDF document text
  • http://occahomesearch.com/userfiles/files/86780204334.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/c0b3f890ccfdee475bceb3c03280a0bd/waratolilidujawer.pdfIn PDF document text
  • http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/dokemuledutazilelej.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/tr19f38qe96gai33hvpvb9a3u7/gidim.pdfIn PDF document text
  • http://accu-chek-event.com/ckupload/files/luxoredelepawepot.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6b4e36941---67359483006.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bac54795d6a---kuxivebided.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/55a756fbda6ccb6b0eb0aed236e57b4f/tiwukojekuzidowusevasupon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=taylor+polynomial+proofPDF 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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