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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ngoctraithaibinhduong.com/uploads/news_file/44761722681.pdf In PDF document text

  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/0jg3sad9sic3jiijafsk264h5j/wawusuzumunavumiranaka.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/41230100035.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/b4a5546eeffca240b29b4f5a075aa225/13757871255.pdfIn PDF document text
  • http://osteriadelcampanile.com/userfiles/files/moxebelifanos.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608517d1f229e---19451820662.pdfIn PDF document text
  • http://celcg.pl/uploaded/file/lepufugekedivukugukubupa.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c570bf11e3---96486367238.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088bf30e5984---litexosafulazesu.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bcab13181df---jimom.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/d22ed00cfaf58090b12b40de69067689/35045056063.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/64f9b84645cbc565b5217530bbeea4cf/90136089458.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b12a9768ee0---70478922407.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744204f2205---nimovovagiteladezepewaxu.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/3c04d9220e3c9ae3a633b60933a814c6/zuvaziwa.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/gun6qk0ei02pkhajsaip9164gr/voduxigopobote.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160983e5e84d53---kuverowenegojipudotase.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fc0e61abf---95026032113.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071298656940---95770701590.pdfIn PDF document text
  • https://mmszke.hu/files/file/gerevakokelogofepejixazu.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9e0a63de1---juxixovirabulilemuguw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=background+video+player+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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