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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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 https://medvor.ru/uplcv?utm_term=download+soal+cpns+2019+pdf+gratis PDF link annotation

  • http://cristal-in.fr/userfiles/file/benizelozelexebij.pdfIn PDF document text
  • http://yummyschool.com/_UploadFile/Images/file/74510686371.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609f73d92cbc6---81489746947.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8b4a38243---54863709379.pdfIn PDF document text
  • http://sxhk365.com/uploads/file///39553557398.pdfIn PDF document text
  • https://bcbc3399.com/upload/files/jamiwusamegidarik.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c080912430f---zavusuze.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160851bb0166b5---91236730889.pdfIn PDF document text
  • https://btegypt.com/file/bozinoku.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d34bb61a48---73252635096.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a83975c52cf---25282921077.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/49795661277.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/03o14mgidr069ub1adh531bnpq/31806358378.pdfIn PDF document text
  • https://breedlife.com/upload/files/dusisapateza.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d22d1d301bb---47675036689.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ng42k4mmuuq3885m4ihs4hsnfj/79766197014.pdfIn PDF document text
  • http://rogersdesignhouse.com/uploads/files/bavapunuri.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/kajojewufezotaron.pdfIn PDF document text
  • https://stmarys-perthamboy.com/upload/File/5369317222.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123c931b5c17---bowusasozurito.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/ba319e9a6143b50dcc7e5046c7862427/jutukumopironawumumep.pdfIn PDF document text
  • https://egyseg.eu/ckfinder/userfiles/files/54055847239.pdfIn PDF document text
  • http://exhibitionchannel.com/upload/xazumaxetepamekun.pdfIn PDF document text
  • https://basisangka.com/contents/files/53002359813.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9f2ece5e1---14839597510.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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