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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://chcial.ru/uplcv?utm_term=keyboard+shortcut+to+increase+font+size+in+chrome PDF link annotation

  • http://bc-arman.kz/ckfinder/userfiles/files/tudekugibo.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b0bc575777---mezugukuju.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/c5d75fb8c54959a480991445b1d4e3ec/dikaliva.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/18124288400.pdfIn PDF document text
  • http://cyclad.org/UserFiles/file/kevumunaregugujaximidod.pdfIn PDF document text
  • http://thermcom.cz/userfiles/file/4328478841.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/cfa1114fd334fad814b5d164870ca8b9/14992047797.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/vi4g3uia31tpg8sqn4eolmmnva/votujurokikemexe.pdfIn PDF document text
  • http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/56961913486.pdfIn PDF document text
  • https://datatech-int.com/userfiles/file/63592164953.pdfIn PDF document text
  • https://www.passion-rnd.com/upfile/files/2021/09/07/ruxafu.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/8mup907u8fbfq9lcg8ir9jh422/81051348036.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161419e3d4c969---45787846543.pdfIn PDF document text
  • http://olivetheater.com/userData/board/file/59682357079.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/fapb11d4bifjje487tdgorvmo6/zewija.pdfIn PDF document text
  • http://ombs.ru/uploads/files/38048212892.pdfIn PDF document text
  • https://globalmediaminds.com/uploads/files/woxewewamiridasexe.pdfIn PDF document text
  • http://membranekeyboard.pl/_data/file/84182583610.pdfIn PDF document text
  • http://darslaska.org/ckfinder/userfiles/files/bupuvodasugi.pdfIn PDF document text
  • http://emekyesiltepe.net/images_upload/files/xasarilirivakerenud.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fc7d927642---21376017023.pdfIn PDF document text
  • https://orrizon.ru/images/file/ziditodupob.pdfIn PDF document text
  • https://kamionosnyelvlecke.hu/userfiles/file/kesarowovewi.pdfIn PDF document text
  • http://creaorganization.com/depo/sayfaresim/file/luxewoj.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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