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://synerhu.ru/uplcv?utm_term=igcse+physical+science+revision+notes+pdf PDF link annotation

  • https://singlespeed-switzerland.ch/userfiles/files/12223336532.pdfIn PDF document text
  • https://limmaginebistrot.com/file/salexumokizegefomewamibad.pdfIn PDF document text
  • http://bloomx.com/sites/all/sites/bloomx.com/files/95871950303.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac315956394---29804529534.pdfIn PDF document text
  • https://monyetmesum.com/contents/files/3652649440.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b3896b634ae---zamiwebesozobikazeropizig.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2bcea9b125---batexalozumokogu.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/tq0u8qblqvd5dhcc358ojcgq43/kifuvigiziramizon.pdfIn PDF document text
  • http://benhvienlaptop.biz/userfiles/file/72454068408.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082c34e3a39a---dozujo.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/3ed8ffda6c20583bea67adfefe16580e/98647882534.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/769fe6baac1b25ecd56f6d328a02ee4a/73254371903.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/2743462922.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/p4hmpaaqeuckqr3q9a9rrirdjm/44420505307.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/famozetazobowaxuse.pdfIn PDF document text
  • http://blessingsngo.in/userfiles/files/sajivopimij.pdfIn PDF document text
  • http://tiszaladany.hu/upload/file/11951426252.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/6a14fb3d50abaaf88519cd3340ab7851/61720352466.pdfIn PDF document text
  • https://diphong.com/uploads/63114812801.pdfIn PDF document text
  • https://ddshower.com/ckfinder/userfiles/files/vekanemido.pdfIn PDF document text
  • http://newgrids.com/userfiles/file/35179147697.pdfIn PDF document text
  • http://studiosiriosrl.it/userfiles/files/50684954377.pdfIn PDF document text
  • http://jaatkinson.com/userimages/50794527071.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/57456628483.pdfIn PDF document text
  • http://starsunited.at/upload/files/29934864965.pdfIn PDF document text
  • https://vasantviharproperties.com/userfiles/file/30742957375.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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