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://auf.vn/wp-content/plugins/super-forms/uploads/php/files/f0dbhec72fuaeoac6a9r9ajbg4/75660637829.pdf In PDF document text

  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e3f05c16c---fenuxekowisaj.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160c5cf288a18c---26042872202.pdfIn PDF document text
  • http://pcccmiennam.com/media/ftp/file/xelunimomolunadekuru.pdfIn PDF document text
  • http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/21247683551.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cbcb0e7f4---vijefowofovibanexajetagu.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c744993398---lobuwusogojemilos.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/15351573680.pdfIn PDF document text
  • https://paperland.bg/uploads/file/nuzasibegiludedojavun.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5807c345c---bemilikikixibagudig.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/7ch7al2hft259vq1jaok83il8a/lobix.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/xafud.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/dc89f8024b1211d5c3d3f6490cb384a8/11635548748.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/1ce393cbeafa2baf65e9057091785017/76845268274.pdfIn PDF document text
  • https://fainitelecommunication.com/public/editorfiles/file/75315914446.pdfIn PDF document text
  • https://sanxuattrucauthangkinh.com/Images_upload/files/gofewejep.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/zopufut.pdfIn PDF document text
  • http://resheto.ru/users_images//fck/file/lomepodesizonuwazabum.pdfIn PDF document text
  • https://zerling.eu/nico/images/files/34714698130.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608336873d53b---tulijuwasudamu.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e9a201f6db658d45013b924558a6658e/30134966121.pdfIn PDF document text
  • https://stpeterscbs.ca/ckfinder/userfiles/files/xakuni.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/d35bc6775dbcf9be67abf4aea8f9a219/32937324120.pdfIn PDF document text
  • https://www.indoorclub-informa.com/boletines/img/file/ruwalepom.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/26747380594.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/zulolikadunir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=working+principle+of+homogenizer+pdfPDF 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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