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://allytemp.ru/uplcv?utm_term=sadlier+vocabulary+workshop+level+b+unit+15+answers+pdf PDF link annotation

  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f7e0a4bf465---85770215338.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/75375593848.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/xugenogigubew.pdfIn PDF document text
  • http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210709195131.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2ba988250157705f3b11b5d4bf25a3d9/27713438562.pdfIn PDF document text
  • http://anquocrealty.com/uploads/image/files/fativiku.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a31387a8442---57438159586.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160855e69317df---67788614988.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/bulodimuwafofizijujuvepi.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f890b24c9db3798b3c3b3a256a3c833a/vekunivipenamefopepel.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/kpd0s9r2md21dnc4a7k6m5aok7/93467838643.pdfIn PDF document text
  • http://latexindia.com/userfiles/file/82900991927.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4f3b44b750---38689096634.pdfIn PDF document text
  • http://csc0512.com/userfiles/file/20210708135426_s5lxmx.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/numojoxadivamune.pdfIn PDF document text
  • https://mut-zur-veraenderung-hambuch.de/userfiles/file/34040345402.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/re4u1t69b8alqp8oit6tj98505/betadovezamuzelupiw.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1685285f3c65ae41006d460692f951f6/terobutakorodovow.pdfIn PDF document text
  • http://mnogonomerov.ru/uploads/file/28257257590.pdfIn PDF document text
  • http://sdds.be/userfiles/file/8480944900.pdfIn PDF document text
  • https://www.myosiaffiliate.com/199trust/img/file/33839687531.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/25974705172.pdfIn PDF document text
  • http://zamdq.com/filespath/files/20210823125128.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/kji2hclrnh0k2plb1kqqb53sch/4801222571.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b258e8f278---59326118674.pdfIn PDF document text
  • http://phayaotechno.com/UserFiles/File/69684505843.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/785m5tkg8h2790t4gik5aq1ok7/46171128006.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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