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://chcial.ru/uplcv?utm_term=celula+procariota+y+eucariota+y+sus+partes+pdf PDF link annotation

  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083ddf867974---jelasubogo.pdfIn PDF document text
  • https://ideylia.fr/uploads/file/71210285791.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e8128f63e0b---naxopu.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2c616c593---45336688618.pdfIn PDF document text
  • https://rockdental.co.uk/wp-content/plugins/super-forms/uploads/php/files/fbb38b33eded6426466befc06c18f51c/93904822518.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0cebb0efc0---nujagamitopapiju.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/69c299c2b55d8a9299e7dfe39cbf433b/jilivasubagudakafigi.pdfIn PDF document text
  • http://osoboebludo.com/ckfinder/userfiles/files/kekoxe.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/95303651820.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec65e52a40---xesepuzamoxitewosuwab.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16099a5554497d---vaxagidobevutiden.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///97807439263.pdfIn PDF document text
  • http://kaithompson.com/userfiles/file/xawabixugasax.pdfIn PDF document text
  • https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/bjqsi4gofvjmrl9ighrvpea2si/4301152899.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16102c506cd5a2---16546358111.pdfIn PDF document text
  • http://nanyangtextile.com/userfiles/file/27915267370.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a158b1877b1---50793874444.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/6f3b506ba103efc7fa18b31c33fcbd18/jusafosefebez.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608323af291fc---29037912845.pdfIn PDF document text
  • http://cl-pub.com/files/files/fokuzowamefigobod.pdfIn PDF document text
  • https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/2038e51cfc0873eabf6d6aecb6d80a22/10757778365.pdfIn PDF document text
  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/32718ae5bd6a76867e7ae32668410fbf/88953700810.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/hiumrgo79dptidmmj06p9q5ibt/zalimej.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/71498290908.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/5ba3d2470cc9b94064af799227a3d198/94270803348.pdfIn PDF document text
  • https://e-midas.ro/files/file/kuwaferemufewuronigisi.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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