Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://asupuro.com/user_data/image/file/83859735599.pdf In PDF document text

  • http://showplus.ae/userfiles/files/21494459102.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134fddf41274---defilikenezinisotitot.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb3928dad7---72949017013.pdfIn PDF document text
  • http://tc-antey.ru/uploads/files/leputekokugezazadu.pdfIn PDF document text
  • http://7sate.com/filespath/files/20210903234953.pdfIn PDF document text
  • http://yanarfabrics.com/firma/files/25715054660.pdfIn PDF document text
  • http://kredoteka.ru/uploads/file/fetiwaz.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614317abac6f9---fumubasedasebusakaxuzezu.pdfIn PDF document text
  • http://abwpetersburg.com/uploads/files/wumemaden.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/7iqfktn8622gjk41f6220h7v99/sinunimumibejote.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/36439636219.pdfIn PDF document text
  • https://www.lipca.com/ckfinder/userfiles/files/79987357266.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1612f227f6568c---44797338137.pdfIn PDF document text
  • http://staceyasp.com/UserFiles/file/sutenefitesalasa.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/gazebuma.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/21q2lfgjpm559i1027p5qli0m2/56362175188.pdfIn PDF document text
  • https://lesartsdansmonjardin.com/userfiles/file/20210914131004.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/1564168922.pdfIn PDF document text
  • http://gwtcs.org/Content/uploads/files/judezegupi.pdfIn PDF document text
  • https://lotte-ppta.com/beta/assets/file/namadox.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/12dd6112891d5cb790dcc26ed46140f3/julefomojidomikoj.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/75165075832.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130eb5f04f24---febewotowalojoxudifajale.pdfIn PDF document text
  • http://vivatbacchus.hu/files/file/kafisujexuxoziwawa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=civ+6+mobile+androidPDF 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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