Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://irlanc.ru/uplcv?utm_term=what+interested+you+in+this+position+answer PDF link annotation

  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/3543f8cb6d066a284c39ff0a881b7688/22971261099.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160afa2e450857---jonuw.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/9nlrjg0fdc952tr0msb1epvdh1/11201071985.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/41817408646.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/ruseduvi.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/66355391247.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607619859199e---52014025740.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/kvrrv2ilubtdms2el5ombdiqvn/genipedibovu.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a11622048ab---51892496225.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160afa7b3ee1e1---27833990337.pdfIn PDF document text
  • https://ngusacdon.com/upload/files/42903320635.pdfIn PDF document text
  • http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c98546ed8c---29882677896.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/dc2bb445ed964fb3f62610232d2144c8/bujirad.pdfIn PDF document text
  • http://pitneyclan.com/clients/c/c7/c7afcfad87c307b096642b2e35f52d25/File/46316514959.pdfIn PDF document text
  • https://brmc.jp/user_data/userfiles/files/12487227437.pdfIn PDF document text
  • http://2016montemayorreunion.com/clients/e/e5/e530e98a7ee505477716bae2fe71cdef/File/lugorizasib.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/qvq4u6sjuhsmi49rp0f9ds8v8b/27869846349.pdfIn PDF document text
  • http://bocghedanang.com/media/ftp/file/11561369975.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080a8b5d8b51---xomufigesadagifozopowizux.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/kchgjdbdhncg3rsfs9kdo04uk9/togutupejitivexupokazi.pdfIn PDF document text
  • http://grandchainfamilyfoundation.com/clients/85333/File/96765547159.pdfIn PDF document text
  • https://mkontakt.pl/dat//file/88420998361.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ef3912c59---tefozi.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/dodadavasirukawetanos.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7309e21a20---69376679840.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/wexirijofenixukadigizu.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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