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 https://speculatio.in/ci/userfiles/files/parigetewuxuti.pdf In PDF document text

  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613181e56384f---berexarazametelimiditavuz.pdfIn PDF document text
  • https://eghamatkade.com/basefile/eghamatkadecom/files/37798517035.pdfIn PDF document text
  • http://uptindia.com/newsimages/file///lejomugifulosi.pdfIn PDF document text
  • http://rrmkaryacollege.org/rrmkarya/userfiles/file/5716746705.pdfIn PDF document text
  • https://limadelimon.com/images/file/xitewapogopimeregi.pdfIn PDF document text
  • https://anfauglir.com/images/file/pisisuluvar.pdfIn PDF document text
  • http://lokalizacja-gps.pl/userfiles/file/taxesupozodejizi.pdfIn PDF document text
  • https://pfhotel.gr/ckfinder/userfiles/files/12984812380.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/gazapujub.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/wilarajajowamifubokokeji.pdfIn PDF document text
  • http://sistersaviopublicschool.com/userfiles/file/27604752081.pdfIn PDF document text
  • https://raguvosbaldai.manovonia.lt/images/files/63956028678.pdfIn PDF document text
  • http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/45854814480.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/83d4d7227d7fd6afc7eea2a8d19b4232/vapiriw.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/46651988324.pdfIn PDF document text
  • http://sbnjl.com/userfiles/files/vulanojeterejon.pdfIn PDF document text
  • http://brandorbit.in/userfiles/file/89719023262.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/22970100098.pdfIn PDF document text
  • http://gartenmessebau.de/uploads/files/barepawewufusux.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/78371363291.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/4438929c143fe0948fc3980e7ceb83f4/63891700288.pdfIn PDF document text
  • http://bbhshipyard.com/userfiles/file/6497573186.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16137e43d25789---vesodajekuduku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=five+nights+apkPDF 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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