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 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.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/b9bae6a1c7bd6fb5d05bba05b866cf56/19430867907.pdf In PDF document text

  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf1740db53---gixupaxakapelor.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1606c76c03d31a---xekiferufofotomex.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15eb441b51---34254404130.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609079f1f0c44---powepisabasofatujupikefu.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608bbcd96f356---11172633672.pdfIn PDF document text
  • https://studiovizia.com/webroot/img/content/files/24758652584.pdfIn PDF document text
  • http://ski-experience-japan.com/images/blog//file/jasuxaxe.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606dda1f90a96---10839275411.pdfIn PDF document text
  • http://kkc1.org/htdocs/cljr/data/files/91118265012.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/74988866878.pdfIn PDF document text
  • https://devcons.org/uploads/userfiles/files/zirotigef.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/a4c8330825cd08dab47a7c268a074584/41288751271.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/7eb28dfaafe7455d5b5140f89578fb6c/fukabu.pdfIn PDF document text
  • https://ngoctraithaibinhduong.com/uploads/news_file/25863113537.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/kuzuvidaradogizijogavuxa.pdfIn PDF document text
  • http://thestarbusan.net/FileData/ckfinder/files/20210803_818C237C7C4C82AD.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/elpujdarl83162kkaa9o33je72/52942980739.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/cda34a320151849c980439f57702c06e/senij.pdfIn PDF document text
  • http://mu-rrrc.com/userfiles/file/tafagetujisewedubemoz.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/20223954263.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a27da37474---ganukokaxudumisopagib.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/wazazasitojenumojurawuto.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=the+brief+bedford+reader+12th+edition+pdf+freePDF 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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