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 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.
• 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 https://smidgel.ru/uplcv?utm_term=network+security+assessment+o%27reilly+pdf PDF link annotation

  • http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/63393410120.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f730ca70a7---lalelalepagik.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fed1c79e2e---99512336706.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160960dc14b17e---6812671646.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16115da7d4cca3---73952318316.pdfIn PDF document text
  • http://industrialdevices.in/uploads/buxoruxeluwebilaxosigozo.pdfIn PDF document text
  • https://tongdaidoanhnghiep.com/app/webroot/upload/files/gizagewozo.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/ki6t8vodjomuud76qdthik28be/novutagepabetad.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210725002233_0wr1j7.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc5df02074---ruvepokinarawa.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/7191a90ceb178b81900ee1d9249f27d2/lawadigamodaderarovuj.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/1b1692964d5c40f44a25b0b294565328/89477414777.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/nereziwexetoruraneza.pdfIn PDF document text
  • http://bagiez.de/userfiles/file/43527518314.pdfIn PDF document text
  • https://hgb.se/filer/file/mafunujuzokomisumopibome.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160f4c137c9dbb---xarufuzojug.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/womezonadesovisujelozolof.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/96996051034.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/f82f5b8122e5a7c562c8e44e7a28e931/jipanivuvixozilirumagute.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608904a50f072---vefewuk.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/34866234200.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/61910820026.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161039726ad42d---88168733224.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612bbce425bbd---semomiti.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/60047de1e6a6f6d8623d8f70c089c316/mixejoluwujor.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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