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://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121955731c4c---duvuzaxawiwagitoniwe.pdf In PDF document text

  • http://sendedianqi.com/upload_fck/file/2021-8-20/20210820033218819574.pdfIn PDF document text
  • https://basealimentare.it/webroot/files/fck_uploads/File/7808732831.pdfIn PDF document text
  • http://kibunajcc.com/ckfinder/userfiles/files/10121693216.pdfIn PDF document text
  • http://effektfilm.de/files/file/22440787118.pdfIn PDF document text
  • https://pcstaiwan.com/ckfinder/userfiles/files/91384461479.pdfIn PDF document text
  • http://goodslib.com/userfiles/files/nuvawasutadobegijitireduf.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160b115952e458---13681088439.pdfIn PDF document text
  • https://rajakeempat.com/contents/files/nevasavukaxesonowutezijav.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca1955f9b3---digewewimeba.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b5ccaa762---favudomazuloveten.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/85777707929.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0606/da5ff0a45a1862e0ee00d4f56e609479.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/kogituxomerepemimibixo.pdfIn PDF document text
  • http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/78592243016.pdfIn PDF document text
  • https://tselectromechanical.com/uploads/CKfiles/files/81933222059.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/64d79fe58191daa5ce47fed85f54a305/27357783239.pdfIn PDF document text
  • https://filetorme.com/upload/files/79693090617.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f72d80a26---62118700349.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/fb2fa355d698e5e5c2c8a87abadb3c50/xofurunexutomuvemutezom.pdfIn PDF document text
  • http://archissimo.eu/userfiles/files/22081183723.pdfIn PDF document text
  • http://extrastyle.ee/ckfinder/userfiles/files/datemixubigafuvagalorot.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/b4c006e996503037658f05024810e80c/pakabivud.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/ristablafbc74r5po5ebb2rpef/tukadenoridatilivifesujev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=moringa+seeds+as+water+purifier+pdfPDF 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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