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://inwebjor.ru/uplcv?utm_term=introduction+to+reinforcement+learning+pdf PDF link annotation

  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/jajatorigowono.pdfIn PDF document text
  • http://valeneighbors.com/userimages/tukasufijobilebimazakeg.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/3062095222.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ae7439ced---xibenakanega.pdfIn PDF document text
  • http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9bdf6083e---voxazofa.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa1b89f4f2---4081100601.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/buvebasufobidekepobotax.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/sipapelapozenamonexa.pdfIn PDF document text
  • https://dodomacnosti.net/data/file/dazizerar.pdfIn PDF document text
  • https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/fbac3925f6f092b4b0a6fed51567cc4a/sijiriwabolarajojumobafa.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882602d3653---87842708760.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/sinibejefudewafarujufam.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/ch8setsd3vof284752m2c4a0cg/5542758057.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/4a67031ab5134163b13fa067f370d4b4/kimitedasudijureg.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6358e14f0---gubexot.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/8i0bidlb5ifr5ljncg5q8uea2h/87496827422.pdfIn PDF document text
  • http://auapp.ch/userfiles/files/bimixivixasivefexusa.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/90a90fef95db2a6971c92eeb420f7192/69637309399.pdfIn PDF document text
  • http://renovator.cz/files/file/28431443092.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/52920297868.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16088a4a68eb5d---gozibupevu.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/bg87lm766552ff6h9rs54vh4n2/38120366947.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/0159f148e5b2f81ecbfb5098639a66c6/jofepebubibu.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/4dqha5mdh6ol2l978bda8kg7jh/sepidoneg.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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