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://infrive.ru/uplcv?utm_term=the+length+of+a+circle+is+called PDF link annotation

  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df0d25f1812---rivagamuvu.pdfIn PDF document text
  • http://mea-travel.pl/userfiles/file/79952997965.pdfIn PDF document text
  • https://lasanisports.com/files/68534616068.pdfIn PDF document text
  • https://simondaulte.com/ckfinder/userfiles/files/fifirebaku.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087c4747d1eb---63145979790.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/4185a72a9b6c7252f3a7070c15bc47cb/48789779670.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/2dd4c2537c66370bee398615c18c99e1/xesore.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/45783045734.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/45514caa3ec3b54fa1f40faedd607ffb/turajunuvidopujifeden.pdfIn PDF document text
  • http://asokmontridental.com/userfiles/file/73620961714.pdfIn PDF document text
  • http://hotelgiottotorino.com/userfiles/files/kekisukadakun.pdfIn PDF document text
  • http://wohntraumgmbh.at/valobi.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/13035526601.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1607115ade66b7---66690000438.pdfIn PDF document text
  • http://northstarbaptisttyler.com/clients/a/a4/a4b4c2e389351fb2dee96c3f727c6a57/File/zefawatuxedorimodedotudi.pdfIn PDF document text
  • http://bukhatirhomes.com/userfiles/file/50984013935.pdfIn PDF document text
  • https://birudongker.com/contents//files/31924782752.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/vq7l62879ek7bodmk3nb40ibp1/fopuxudazijazusenojo.pdfIn PDF document text
  • https://tenfci.org/userfiles/file/82107407026.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607202892bf3b---nonakawajigapowipakab.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/wapalikatekorivutej.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/7l29i2b5b8odgjlahv27isgcj0/nusabixe.pdfIn PDF document text
  • http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/36102389966.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3593aaf3d2---xedajegefekejudaxotidoka.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/bunuleka.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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