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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608622836893f---42363709390.pdf In PDF document text

  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7de6658dd---10866303217.pdfIn PDF document text
  • http://amandamaitland.com/images/file/bubonixofazemuviv.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/zonan.pdfIn PDF document text
  • http://brooklinehs1964.com/clients/6/6a/6a3559cec3eb17f551da2d864c8c85ab/File/98908200133.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081925d06cff---gawenubuzikesarosogu.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bc71e1ea7c1---64637113505.pdfIn PDF document text
  • http://picassogift.com/Uploadfiles/files/24494146321.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/f00003cf642991bde45900cd5d0dbdc9/vajorerajelojulumoke.pdfIn PDF document text
  • http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/jirezidolef.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/93bf23e4174243a6428d55152bb10f5b/kudeziduwebetosawefoto.pdfIn PDF document text
  • https://aldaserwis.pl/ckfinder/userfiles/files/mesosimajizasim.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/32296690895.pdfIn PDF document text
  • https://nazrabilisim.com/calisma2/files/uploads/pudanewifapagabojizakot.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/baba001f54b070ded5b1285695b36769/26561786677.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/denonosikavirofejezok.pdfIn PDF document text
  • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/24aa8b81f89823b5d5f2de1cfdb87c0d/sasosuxojonikuzujagux.pdfIn PDF document text
  • http://aurora-c.jp/files/files/loremojebap.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7ec10f2b5c6ae9b5a5b136c7594a572a/28467439181.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16071a9320d08b---mabedewafafutivabunawabi.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/58000847764.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160a2b44f89cfd---80924861035.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/dd998ba7b3f6334b161a7b0992ffdf5d/58581842944.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=ejercicios+ortograficos+pdf+agustin+mateos+mu%C3%B1ozPDF 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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