Malicious PDF — malware analysis report

Heuristics 7

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://tubietelbar.hu/uploadfile/53601217548.pdf In PDF document text

  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/535d6afdac91399107cb615859b8fe70/51711635754.pdfIn PDF document text
  • https://proia.bg/userfiles/file/20478425146.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/1007c9c248b4f2b3177865836a7727a0/78273601759.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160bd56f00a836---janikozaranojufomiwur.pdfIn PDF document text
  • http://xiaohecollege.com/d/files/73419796931.pdfIn PDF document text
  • http://geometrabottero.it/userfiles/files/kogememonenevof.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/9e4fff98168ecf4e38d248594f825170/liminojuvozuvivowoweja.pdfIn PDF document text
  • http://talleresjpg.es/img/file/dukap.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/26723483260.pdfIn PDF document text
  • https://banderlogclub.ru/Files/file/ximujezawamawenob.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/lm5rrpu2thetm5703la34d568v/44292748005.pdfIn PDF document text
  • https://itchanoi.vn/uploads/news_file/84506494200.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160983066762cd---11585597501.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3fe7b3e6fd---70436433356.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/66f7b4422594fe0ea4ad4a61d6ec2f76/junew.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/23403fa93eb6c248760b565cb330e3a3/36605845208.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/eatupas83migshmbh5nkdbpac0/10270604859.pdfIn PDF document text
  • http://sromedical.com/file_media/file_image/file/dumaluvapolo.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/5aca2825ec2afd48a1843b92233cf420/73087216640.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/0a2420f09e89701f021d3b70852ef440/kexifozulavunojemo.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16095e71f70f99---22541306627.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=image+to+pdf+convert+appPDF 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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