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 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://oniceh.ru/uplcv?utm_term=how+to+download+free+mp3+music+on+android PDF link annotation

  • https://torgradio.ru/new/files/file/12161738738.pdfIn PDF document text
  • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/79461258903.pdfIn PDF document text
  • https://qkon.ca/images/file/dazukevozid.pdfIn PDF document text
  • http://voijin.com/userfiles/files/34767856073.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614777b1442f9---vebuguruwidisi.pdfIn PDF document text
  • http://infas.cz/images/wiswig/file/22175803313.pdfIn PDF document text
  • http://dobermanncz.eu/files/sajagivino.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/993087864.pdfIn PDF document text
  • http://cellfruits.com/ckfinder/userfiles/files/rugojisuwuzizazu.pdfIn PDF document text
  • https://campfun.myhost888.com/upload/ckeditor/files/5237582990.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161354d22304de---lazuredalatemofipop.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///50831822534.pdfIn PDF document text
  • http://baggiez.net/userfiles/file/28039937030.pdfIn PDF document text
  • http://webminmax.com/userfiles/file/22779412698.pdfIn PDF document text
  • http://apartmany.cucoriedka.sk/data/files/puzarajukuj.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/34937456407.pdfIn PDF document text
  • http://www.gesas.it/media/mailinglist/file/33973079603.pdfIn PDF document text
  • http://apisicul.com/userfiles/files/fevanarujuwezumapofog.pdfIn PDF document text
  • http://xn--o79av69abka850ab6c.com/upload/file/202109010954429869.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16148e4718e4da---90753145723.pdfIn PDF document text
  • https://network-italia.it/file/11159708303.pdfIn PDF document text
  • http://laibros.com/ckeditor/userfiles/files/pezenefujimofo.pdfIn PDF document text
  • http://ladyqueen.it/userfiles/files/15095061264.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca01b870c3---31947658217.pdfIn PDF document text
  • https://luiginoiobbi.com/userfiles/file/92323617115.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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