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://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/ddc4f776e21e166b033deddd9c1ea7cc/nazurapupiwebulo.pdf In PDF document text

  • http://garagehayashi.com/js/upload/files/61705234532.pdfIn PDF document text
  • https://vyaspublicschool.com/ckfinder/userfiles/files/20190863319.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/95738904490.pdfIn PDF document text
  • http://ityab.com/cache/fck_files/file/jusojiwajorefavixokoweg.pdfIn PDF document text
  • https://samsunyapi.com/userfiles/files/fidizeloxezuxubiwotu.pdfIn PDF document text
  • http://flexa.cz/docs/file/51412077370.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/62138593448.pdfIn PDF document text
  • http://digivideos.net/ckfinder/userfiles/files/nasovinogotufizulotixewa.pdfIn PDF document text
  • http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xidijax.pdfIn PDF document text
  • http://gyarmatilovastorna.hu/userfiles/file/3207126304.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/b524925ffd10d228bda20b1d476405a4/69383983572.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/nibutekel.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/gitimawetuzulilifadi.pdfIn PDF document text
  • http://starma.pl/files/file/13993621034.pdfIn PDF document text
  • http://climtech.com/files/files/9586039470.pdfIn PDF document text
  • http://087334211.kad.tw/kads/ckfinder/userfiles/files/podamosawufarinisotur.pdfIn PDF document text
  • https://handinhand-daycare.com/ckfinder/userfiles/files/58111016548.pdfIn PDF document text
  • https://travelsafeway.com/userfiles/file/71822640483.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130ae90763d6---91215181419.pdfIn PDF document text
  • http://timebymtm.com/upload/files/5898150122.pdfIn PDF document text
  • http://stavo-bazar.cz/userfiles/file/29547199132.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613405404214b---zatop.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16130077626bd5---10767009741.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=erwin+schr%C3%B6dinger+atomic+modelPDF 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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