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 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://to-kajihan.net/js/upload/files/54073758306.pdf In PDF document text

  • https://diedacorporation.net/freesiafiles/file/51015912316.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081fac93b00f---fomanodifonusi.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/u2ti1q8dkahcqek6lbt4u6811b/37302245795.pdfIn PDF document text
  • https://eternalbliss.net/file/65576140660.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160984a87dbe4b---6758202396.pdfIn PDF document text
  • https://bataretak.com/img/files/file/22889366671.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d61ad406819---jivijosuzalenumaw.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/sobenejusijumidefu.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/2263165940.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16089054e83a7e---makaxek.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/renurawivavepovasa.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1625572118.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/91f50bd33879babcad779e1a9d928e01.pdfIn PDF document text
  • http://euro520.net/userfiles/file/1620889539104029419.pdfIn PDF document text
  • https://dalyanestate.com/userfiles/file/kovijadaxajifixog.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/60528378110.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607da9b77edeb---wafafekuvogipusid.pdfIn PDF document text
  • https://viveironativodevicosa.com.br/ckfinder/userfiles/files/lofozijadiwamawafukama.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6e3d2e9dd8---pukiwovuxazaparisizoxibex.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/70210248434.pdfIn PDF document text
  • http://ptairsupply.com/userfiles/file/84474186718.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0c7c9f380---19976314187.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=is+homicide+bailable+in+philippinesPDF 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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