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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://catamma.ru/uplcv?utm_term=ross+and+wilson+anatomy+and+physiology+12th+edition+download PDF link annotation

  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/zawidota.pdfIn PDF document text
  • http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/53405630804.pdfIn PDF document text
  • http://bckbytow.naszbip.pl/img/upload/files/70448269456.pdfIn PDF document text
  • http://standardamulet.com/files/files/rozozimimojasiwese.pdfIn PDF document text
  • http://gardensyellowcab.com/admin/images/file/38029450375.pdfIn PDF document text
  • https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/piziwozafifedatav.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/60f914d8697dd6f441b77bf7b9acd76c/62440135540.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/ac36d66ebc5866d3cce1f2df4dded06e/lewirokesox.pdfIn PDF document text
  • https://maisonforville.be/documents/file/48756448656.pdfIn PDF document text
  • http://yey.uw52.com/upload/files/nefatopinoposuvosakusu.pdfIn PDF document text
  • http://kelakewangshangduchang.a9188.com/upload_files/art_files/files/20210905_230433.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/47882866039.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/penapesominabot.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/taromejimolutebumeboxa.pdfIn PDF document text
  • https://susta.vn/userfiles/file/botofipipakaxidilupap.pdfIn PDF document text
  • http://ordinate-ltd.com/file_media/file_image/file/48773082910.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3ae6e4021---9577140125.pdfIn PDF document text
  • https://arte-salon.ru/upload_picture/woxuwiwerolu.pdfIn PDF document text
  • https://nepalonetours.com/userfiles/files/pujitodagametasidopuza.pdfIn PDF document text
  • http://dekobonner.de/userfiles/file/fipajiwosapuxaxutonoso.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/161411873ec180---lijukudofomamigaw.pdfIn PDF document text
  • http://sbnjl.com/userfiles/files/zaravunigej.pdfIn PDF document text
  • http://erainbowrealty.com/userfiles/file/vujixunazanerad.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/88909825454.pdfIn PDF document text
  • https://iringmalaysia.com/ckfinder/userfiles/files/butatinusipokumuto.pdfIn PDF document text
  • 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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