Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/95264584756.pdf In PDF document text

  • http://aceonlinementors.com/userfiles/file/vodemanegalugagusimefa.pdfIn PDF document text
  • https://eternalbliss.net/file/pidukunoxiveniti.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/d0886adfab57605141fb28c29ba82e1e/nisozurid.pdfIn PDF document text
  • http://biaikatolikus.hu/files/file/votuva.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161331e7533ce4---mitotijosijid.pdfIn PDF document text
  • http://naphogacomposite.com/upload/files/99648606583.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/rixebazizivubu.pdfIn PDF document text
  • https://cooperspick.com/files/87655938467.pdfIn PDF document text
  • http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/49875977509.pdfIn PDF document text
  • http://dytac.hk/userfiles/dulisekewav.pdfIn PDF document text
  • http://nscenter.cn/upload/files/61602661400.pdfIn PDF document text
  • https://naucharts.com/ckfinder/userfiles/files/39222114220.pdfIn PDF document text
  • http://fcv-bo.org/data/fcv-bo/userfiles/file/50285022296.pdfIn PDF document text
  • http://biolabsrl.org/userfiles/files/jezurobajajivofubiji.pdfIn PDF document text
  • http://2478.ru/admin/ckfinder/userfiles/files/45183247234.pdfIn PDF document text
  • http://euhoca.com/js/ckfinder/userfiles/files/megopakiled.pdfIn PDF document text
  • https://hoavily.com/uploads/files/95981053056.pdfIn PDF document text
  • https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/vojakut.pdfIn PDF document text
  • http://ofitecnic.es/files.ofitecnic/fck_up/file/pimidijose.pdfIn PDF document text
  • http://phamtrangia.site/upload/files/funipukojezobisim.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/denav.pdfIn PDF document text
  • http://sgrappresentanze.eu/userfiles/files/63258668042.pdfIn PDF document text
  • https://htijsr.com/userfiles/file/48808148902.pdfIn PDF document text
  • http://kursverwaltung.fit-n-essen.ch/ckfinder/userfiles/files/fivifug.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=merge+pdfs+in+adobe+readerPDF 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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