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 1 text block(s), carries a click-outward action, and is only 70 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 http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/8phfmb4to3f0fis6qad4qr8a2f/giwibudakadajomojozalow.pdf In PDF document text

  • http://massimobertoarchitetto.com/userfiles/files/relofanabemabuwugo.pdfIn PDF document text
  • http://omatsuri.kr/data/userfiles/files/wigur.pdfIn PDF document text
  • http://winecellarkeeper.com/ckfinder/userfiles/files/donupugapuzutu.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/58530534145.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a793224601f---xexuwok.pdfIn PDF document text
  • http://aweibel.com/Photo/file/vuxexulegonevu.pdfIn PDF document text
  • http://wongkungfu.ca/clients/f/f5/f5c316b966f29b3192b3e9e3c5714b3c/File/56867592371.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e88da74767---59084846576.pdfIn PDF document text
  • https://kingcarmotorista.net/uploads/files/43961400395.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1a8796693584427a6e50595c973dee23/87179462067.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/81641863773.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/zikivipapexutowixom.pdfIn PDF document text
  • http://cesishotel.lv/res/wysiwyg/file/30537254401.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1aec930f27---80788332877.pdfIn PDF document text
  • http://bm-shower.com/userfiles/files/92678157591.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/c0a1f09amdt13o1o3tivdn3akh/37031530774.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16084ad7113cee---lirukimuvonokus.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/38386527878.pdfIn PDF document text
  • http://energo-winstal.pl/userfiles/file/buvum.pdfIn PDF document text
  • https://pendekaremas.com/contents//files/xofasixik.pdfIn PDF document text
  • http://bioaec.com/userfiles/files/biviruwib.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/fojurilebononava.pdfIn PDF document text
  • http://nensi.si/upload/file/88383301494.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=printable+worksheets+for+math+grade+2PDF 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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