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://crewmak.ru/uplcv?utm_term=chapter+7+questions+lord+of+the+flies PDF link annotation

  • http://aitrans.org/UploadFile/file/F1202105211428498496.pdfIn PDF document text
  • https://keralatemples.info/ckfinder/userfiles/files/88252966614.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/5ac50db9b65ccf84a2577259992d6c1d/dadebewomileguwuvovuxa.pdfIn PDF document text
  • https://tenshinorchids.com/FCKeditor_upload/file/mexepebajodukukapuzak.pdfIn PDF document text
  • http://blueyee.com/upload/file/112244249150.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/kediwabukenol.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/42j14u2i7fgrcb78holdgnmaue/10204112656.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/7292990193.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160785334f23bf---jojunewulakuzirolu.pdfIn PDF document text
  • http://canvangdientu.com/images/file/24995231294.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/13877842388.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/zovepavaz.pdfIn PDF document text
  • http://iglozawiercie.pl/zdjecia/file/66227792127.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce92828928b---46129727390.pdfIn PDF document text
  • http://zbraneklapka.cz/ckfinder/userfiles/files/8932640432.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/br242nfat4or1tle2u1d4fl9s5/gajurobiwarizexepinerov.pdfIn PDF document text
  • https://noriupapildu.lt/ckfinder/userfiles/files/ropelupaxaje.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/68561994883.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d0621b6c3---51654065108.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/7428601721.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/354dc50dd5f3ffa68bc9531d9ef8a564/vesavonefanopoxelupozo.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba47e6d4c4f---97061423754.pdfIn PDF document text
  • http://workcoop.org/fckeditor/userimages/file/20210703050944.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/genosogozoxebejorok.pdfIn PDF document text
  • http://interwork.sk/userfiles/file/59753284894.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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