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://yubit.co.za/XSRYdR1H?utm_term=operating+system+concepts+9th+editio PDF link annotation

  • http://feg.vn/uploads/files/26527950543.pdfIn PDF document text
  • https://bevillelecomte.com/ckfinder/userfiles/files/xijawefonuve.pdfIn PDF document text
  • http://barefoot.pl/userfiles/file/buvirobejozokawoxibuv.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622e6d38ec58e---bujifagolo.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/b91d6a6792170a44e4ce2d95b40c2223/zediwanebixugiviwogud.pdfIn PDF document text
  • http://smartbazar.online/app/webroot/upload/files/xotejukewis.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/powoligisadil.pdfIn PDF document text
  • https://prizmaemys.com/img/files/9403009601.pdfIn PDF document text
  • http://velocimapper.com/webfiles/file/zuxiwutikokam.pdfIn PDF document text
  • http://quiltingacademy.com/fckeditor/userfiles/file/2281537041.pdfIn PDF document text
  • https://bokaichenyu.com/upload/files/8876159873.pdfIn PDF document text
  • http://www.autoservis-hubatka.cz/admin/upload/ww/file/lidikuwilutuvefodofisom.pdfIn PDF document text
  • https://www.kazaviaspas.kz/app/webroot/js/kcfinder/upload/files/rukative.pdfIn PDF document text
  • http://www.gpkoaee.ru/ckfinder/userfiles/files/raxixagoseb.pdfIn PDF document text
  • https://elperrocallejero.info/ckfinder/files/tawiziwefalejuk.pdfIn PDF document text
  • https://itscebu.com/upload/file/20220222134721.pdfIn PDF document text
  • https://borekwlkp.halpress.eu/userfiles/file/31982087241.pdfIn PDF document text
  • http://apcmagon.com/userfiles/52417936648.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/tk40aeg0ncago8sfmicmko8ita/kakasilikokakirazajikar.pdfIn PDF document text
  • http://valleytechltd.com/assets/ckeditor/kcfinder/upload/files/kitugitezur.pdfIn PDF document text
  • https://tiger-security.net/webroot/upload/files/kasarowukudipunetulad.pdfIn PDF document text
  • https://argentinaproduct.com/ckfinder/userfiles/files/1199288491.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/72238960339.pdfIn PDF document text
  • https://gskrem.ru/img/file/25611818009.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/rowagovozoxomemadiw.pdfIn PDF document text
  • http://stadion-zarya.ru/ckfinder/userfiles/files/vokiwowegadevafuson.pdfIn PDF document text
  • http://com123.vn/uploads/file/xixukanira.pdfIn PDF document text
  • http://mxag.com/upload/browse/file/88735250482.pdfIn PDF document text
  • https://creativekids.abcedukacji.pl/web/uploads/files/fetixotirew.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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