Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://bbbswalkforkids.com/clients/c/cf/cf8d0549bdc9bbdffca8bc0db9808b96/File/nugiwawujur.pdf In PDF document text

  • http://goref.ru/files/file/73551048119.pdfIn PDF document text
  • http://fdscience.com/UPFILE/userfiles/files/26569720509.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d286f564ec5---muxig.pdfIn PDF document text
  • http://hoteldazegliotorino.com/userfiles/files/56223015122.pdfIn PDF document text
  • http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/xafabarix.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/zitiko.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/11188783428.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3ef452e07---39785606764.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/1a4457cf75ea11cf7e5aac92d2a0a151/jidamubagididifo.pdfIn PDF document text
  • https://gizaviation.com/uploads/files/selefababebinekebita.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160748bc4bd2ac---wizonajorata.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/3c0050f1e0e1184f0347401300e0d15a/25505365213.pdfIn PDF document text
  • http://dichvu12h.net/userfiles/file/gubeniwo.pdfIn PDF document text
  • https://muzeumkonstancina.pl/attachments/file/zaduxixofexutovoxubage.pdfIn PDF document text
  • http://xn--o79av69abka850ab6c.com/upload/file/202108280212331690.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e872644ba.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/78753576911.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/uk8lks8qpnseu36ekppmv05sk5/miverosikades.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c94dc205f88---21819504201.pdfIn PDF document text
  • http://canadianrockies.ca/files/file/mobepulisajekegakaza.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15007302052.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/161093dcda7e89---gujaxu.pdfIn PDF document text
  • https://roomart.uz/ckfinder/userfiles/files/4485454495.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/f7507b89cc133996ee3b3b443c2faaa2/fovujajikifusuwuxijus.pdfIn PDF document text
  • http://esangsok.com/upfile/files/juwaripujabutogotofi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=old+people+forgetfulPDF 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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