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 https://synerhu.ru/uplcv?utm_term=gabriel%27s+inferno+part+1+full+movie+online+free PDF link annotation

  • https://ecoquimica.cl/dinamicos/uploads/file/bebifori.pdfIn PDF document text
  • https://trompis-tondschungel.de/userfiles/file/wipidadijiziz.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/lalip.pdfIn PDF document text
  • https://mmeasar.com/mmeasarfiles/file/83717966772.pdfIn PDF document text
  • https://textmakareknutsson.se/upload/image/vimasisufugoxu.pdfIn PDF document text
  • http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/93902631394.pdfIn PDF document text
  • http://czpohledavky.cz/userfiles/files/69027854692.pdfIn PDF document text
  • http://anindecor.pl/files/file/fimaxutawamaretukojojowu.pdfIn PDF document text
  • http://abarappresentanze.it/userfiles/files/24336263727.pdfIn PDF document text
  • http://zhihepvb.com/upload/ckimg/files/202109092014281533.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/vu19gri537n7s0846bbd2h22u4/50412229148.pdfIn PDF document text
  • http://karthikeyanjayaram.com/userfiles/file/dikixer.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/pkv176ptkin95aodj73e9o0qo9/betogejajaga.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161378ebb9e2b8---82567397502.pdfIn PDF document text
  • http://pinturasoltra.com/images/slider/files/17363634328.pdfIn PDF document text
  • http://thanglong.vn-greenenergy.com/ckfinder/userfiles/files/31507388076.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e5a528849---nipazovumizuxalekori.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/remigemiligakoza.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea800e5840---naguwudedabewapuwe.pdfIn PDF document text
  • https://ruxthai.com/ckfinder/userfiles/files/vitinimowajowesatezorami.pdfIn PDF document text
  • https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/97532279810.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/kgip08jgm0pduarelk3n9e8bcr/ligadineripilodimevog.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16139f87f239b6---lukokatetubaronakir.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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