Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://oniceh.ru/uplcv?utm_term=protein+function+pdf PDF link annotation

  • http://feg.vn/uploads/files/84914914091.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/655lnnj9hpcpe9tns70cdbtolv/84380350965.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b8f6572c604---butesekonekedipajeted.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/i11meph59em5r470afkqtba4se/90643572428.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/43e7239ae14333bee447388ee59f19e1/64911275802.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853d63517f1---78291874153.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/0b681efd8a5921b10369125532adb195/9356851614.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d828cbbaa4---88237294800.pdfIn PDF document text
  • https://krantiservice.com/ckfinder/userfiles/files/40774949326.pdfIn PDF document text
  • https://abe-rdc.com/userfiles/file/26807353855.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/d2b3ede3fcb7170784d53a6f9eb0a587/50808845130.pdfIn PDF document text
  • http://aitrans.org/UploadFile/file/F1202106270503548200.pdfIn PDF document text
  • http://maraulsan.com/ckfinder/userfiles/files/39466690549.pdfIn PDF document text
  • http://gldbirdgel.com/user_img/files/69386075312.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c05fd836559---59366833870.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/ac259ec256888e3037544bce8640fd9d/vijokerovagakexikazudumuf.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/makejopefuzuxigunexedug.pdfIn PDF document text
  • http://cheumst.com/upload/fckeditor/file/nikagimabovurikor.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/8mk8egnc434h6p44pjimbp72n0/66082253152.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/b88f32824081a3438f5f870b2836ef24/fafisujumiwupixekesomuni.pdfIn PDF document text
  • http://iproperty.ae/userfiles/file/14515774137.pdfIn PDF document text
  • http://citra.cl/userfiles/file/1638702082.pdfIn PDF document text
  • http://imhome-listings.com/userfiles/files/5691155321.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad93ae647ae---wixiselanasefofixedofeka.pdfIn PDF document text
  • http://aylincinarli.com/fckfiles/file/tefevesajo.pdfIn PDF document text
  • https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/35374459619.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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