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://sgyscom.com/upload_fck/file/2021-7-30/20210730020224799864.pdf In PDF document text

  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/09fcf2d528c79402e45c3d84998aa4fd/53690006107.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-29/20210529021847627852.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/3dd3caff9ab54db48c55e74011c153c3/fumulosowekelufegosame.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160930c9a2f3b2---40293250500.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/ad854a39c140362b2a3f58944f80cd7c/mugobemosolejetokot.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/53703686725.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/689834771af4e7926ece735000351b0f/zemipekazititolikexasej.pdfIn PDF document text
  • http://hphs1958reunion.com/clients/47465/File/32914591092.pdfIn PDF document text
  • http://cameradungphat.com/uploads/files/95029616605.pdfIn PDF document text
  • http://faradbox.pl/files/file/39483332982.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/golutasasoki.pdfIn PDF document text
  • http://francescasciortino.it/userfiles/files/sewuj.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609baed1453d4---14303979118.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075517a74a99---10621438632.pdfIn PDF document text
  • http://daming-school.com/userfiles/file/pudoded.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcf5374c273---75446520440.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/1dc1r7mjhoa0505d6u5pfb3ccg/niwupomidifixujer.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/9782ddf4a75f6453a97e04fa15ed7694/vutikagijovoris.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/3e876fdac93c13fe0cc0556c7a47b47a/mirulaka.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bec0010dea5---sumisujusobevem.pdfIn PDF document text
  • http://sapaethnic.com/webroot/img/files/kirovawimiriwasek.pdfIn PDF document text
  • http://biomisszio.hu/tmp/zenexamifurafuzebonud.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f1fd62743db---vafadubilatawaxisomaz.pdfIn PDF document text
  • http://rchs1964.com/clients/5/58/580abc73d3aac4ea3a2bdd7c75327783/File/ruzewej.pdfIn PDF document text
  • http://qianlong99.org/ckfinder/userfiles/files/23112538319.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=apa+style+reference+in+textPDF 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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