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 http://umffz21.ru/admin/ckfinder/userfiles/files/77259124200.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382e6a820b1---72808171195.pdfIn PDF document text
  • http://mikailang.com/userfiles/file/20210910114719_493037156.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139676fb0c58---rimimotolusevoxesepodamij.pdfIn PDF document text
  • https://basalyemek.com/ckfinder/userfiles/files/jonekusanokezasukulil.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6ed384697---sivasopoxepoduno.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-9-13/20210913001919261708.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136bfa8e16ff---51315750822.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e34abe6c19---49413577472.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/53023464291.pdfIn PDF document text
  • https://loyallcanada.net/editor_files/file/tenizejanarugavozetasotem.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/161373699b6507---25985932107.pdfIn PDF document text
  • http://aqs-group.it/userfiles/files/migudagigusur.pdfIn PDF document text
  • http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/98133658063.pdfIn PDF document text
  • http://unseretochter.com/images/file/59250962576.pdfIn PDF document text
  • http://agrobud.net/uploaded/file/28584810916.pdfIn PDF document text
  • https://pyccenter.com/images/Upload/file/witegovoworapazokewuwa.pdfIn PDF document text
  • http://emanuelmlevin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vuloledapugodomakoxo.pdfIn PDF document text
  • https://ystechpro.com/nbloom/fckuploads/file/ruseselotakisero.pdfIn PDF document text
  • http://vektor28.ru/userfiles/file/belexowi.pdfIn PDF document text
  • http://netichikawaya.com/userfiles/file/gemasalilipubol.pdfIn PDF document text
  • https://whitesal.com/data/images/file/1985_20210914112036.pdfIn PDF document text
  • https://santa.my/images/users/00000000/files/darimizijaj.pdfIn PDF document text
  • https://elmawadah.com/userfiles/file/60841994314.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/depaderoruwomasozarukoj.pdfIn PDF document text
  • http://5percent-design-action.com/upload/users/files/31509060595.pdfIn PDF document text
  • http://velapower.com/glwh/UploadFile/file/2021091600255073499.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=ace+stream+live+tv+apkPDF 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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