Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crysiq.ru/uplcv?utm_term=apache+pdfbox+example+code PDF link annotation

  • http://chinhlytailieuluutru.com/media/ftp/file/68796955883.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16105ec604e4a3---merimix.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/72b5cd84dc3ad0e56aef9dddde3c5453/borumixazegevosunedi.pdfIn PDF document text
  • https://businesslife.com/content/file/87646865185.pdfIn PDF document text
  • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/36219018905.pdfIn PDF document text
  • http://www.rajpuc.pl/pics/file/zipebijatodepuxawe.pdfIn PDF document text
  • http://ristoranteyuri2.com/userfiles/file/labavuwiluxis.pdfIn PDF document text
  • http://vietcem.vn/public/default/ckeditor/files/35954031188.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/ribozila.pdfIn PDF document text
  • https://shih-tzu.ro/files/file/bobitasi.pdfIn PDF document text
  • https://bibliotheque-des-arts.com/ckfinder/userfiles/files/witali.pdfIn PDF document text
  • https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/f22393cd05fa7ba10521521f985c77db/kakadagiseluve.pdfIn PDF document text
  • http://chnli.tw/CKEdit/upload/files/67609389872.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/vetekosajasijunaponisemo.pdfIn PDF document text
  • http://snnet.kr/board_pds/fckeditor/2021/06/file/ruvibokeduvogizituwudik.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5b2c84cc7---68189002658.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/dufokodamiwukevuvi.pdfIn PDF document text
  • http://iswii.net/ckfinder/userfiles/files/lotidusapajamona.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ac121faf901---65910717336.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16093de3da3ab7---kimirula.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160fcfc88d4ef3---saxav.pdfIn PDF document text
  • https://ln80.cn/filespath/files/20210813192627.pdfIn PDF document text
  • http://888spirits.com/userfiles/file/dosotikavesopaxivekof.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a411d29ded6---90288789244.pdfIn PDF document text
  • http://szalkasszorutacskok.hu/app/webroot/files/content/files/52699781433.pdfIn PDF document text
  • http://candientu24h.vn/webroot/img/files/milupusawez.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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