Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://140.121.161.111/ckfinder/userfiles/files/xokivusibikopesipegule.pdf PDF link annotation

  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f539e784ca---kufedem.pdfIn PDF document text
  • https://nullemont.fr/nullemont/ckfinder/userfiles/files/22719158105.pdfIn PDF document text
  • http://weforyou.it/userfiles/files/zematagobetefulovu.pdfIn PDF document text
  • http://shriramashramssschool.org/userfiles/file/zatewatuwifivuke.pdfIn PDF document text
  • https://safetypadlocks.eu/eurostyl/photos/file/36757453925.pdfIn PDF document text
  • http://yuh-tarng.com/userfiles/file/51200406626.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/33ea9ecfe48f34c3f8fc609ef434a5e5/xaxudufaxowosu.pdfIn PDF document text
  • https://agermag.ro/mm/file/zofaximojujufemux.pdfIn PDF document text
  • http://sbnjl.com/userfiles/files/95238981499.pdfIn PDF document text
  • http://ghibms.com/userfiles/files/vexezimutebumemosijikiraf.pdfIn PDF document text
  • https://bosingels.nl/ckfinder/userfiles/files/50128456178.pdfIn PDF document text
  • http://gensugroup.com/upload/files/beferorimewudixofugilu.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16130f2074c28c---rigarox.pdfIn PDF document text
  • https://pakistanchristiancongress.org/userfiles/file/55261212104.pdfIn PDF document text
  • http://veterinariacomportamentale.it/userfiles/files/jibofalunej.pdfIn PDF document text
  • https://www.pirkitpadangas.lt/ckfinder/userfiles/files/51295820790.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/66040909196.pdfIn PDF document text
  • http://ideatity.com/ckfinder/userfiles/files/44137215967.pdfIn PDF document text
  • http://nsfeed.com/_UploadFile/Images/file/kulelotajinezubu.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613244ce1d364---sudilevibafijenurupanazu.pdfIn PDF document text
  • https://fceresources.com/ckfinder/userfiles/files/80806688358.pdfIn PDF document text
  • http://nincity.de/inline/file/51344196839.pdfIn PDF document text
  • http://cmorshomecareassociates.org/uploaded_files/userfiles/files/42888155852.pdfIn PDF document text
  • http://alpes-de-haute-provence.proximeo.com/ckfinder/userfiles/files/xusikifujiriwibomugo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=payment+acceptance+letterPDF 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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