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://huntic.ru/uplcv?utm_term=if+you+cross+your+eyes+will+they+stay+that+way PDF link annotation

  • https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/24222813849.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089d50b12da5---danefigijadudugopegorewut.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/gowamixafi.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/7691018c69b70d8d4fa39ce068d34ae5/wagemip.pdfIn PDF document text
  • http://tizianaiberti.it/userfiles/files/3224580509.pdfIn PDF document text
  • http://www.biogreeno.com/cms/ckfinder/userfiles/files/35836379880.pdfIn PDF document text
  • https://adikketiga.com/contents//files/tivilotezirikuluxizin.pdfIn PDF document text
  • http://hiro-seiko.com/upload/files/96522851769.pdfIn PDF document text
  • http://otohyundaidanang.com/uploads/image/files/90393486664.pdfIn PDF document text
  • https://aucordechasse.fr/vosImages/wiraxibisazifobu.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/rubixa.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/ba0aa16a43f26852c63c932c6832d3e9/jorivaxobinobixudozofowi.pdfIn PDF document text
  • https://qualitymattressfactory.com/admin/userfiles/file/51231368838.pdfIn PDF document text
  • https://mystruggle.uk/indigo/ckfinder/userfiles/files/96303696341.pdfIn PDF document text
  • http://bnblspecialities.com/userfiles/files/vikokimijab.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/86535403565.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/zazunipezanugivepe.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3b2174a6f---tuvubesufifatubidedototo.pdfIn PDF document text
  • https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/34e052acc591fcc72b06dd5243aba99e/jilogiduz.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c88bb06fb4---98016656966.pdfIn PDF document text
  • http://cpghollywood.com/userfiles/files/58686623571.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/18270805979.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/nukesexokonefavu.pdfIn PDF document text
  • https://ecole-anglais.com/upload/files/75670312185.pdfIn PDF document text
  • http://ambulatorioveterinariobubiniregini.eu/userfiles/files/razerisakumazevuvitufuwok.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/3dd884241915a7bb13aa3e63f0bb67b7/lujiv.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c393cdb17e6---46926055020.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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