Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://irlanc.ru/uplcv?utm_term=hot+apk+download PDF link annotation

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613927a7855d8---53634821614.pdfIn PDF document text
  • http://jobcred.com/rk/jobcred/uploads/image/file/gogugokew.pdfIn PDF document text
  • https://www.milestonesmn.org/ckfinder/userfiles/files/76918521178.pdfIn PDF document text
  • http://2013.letnifestiwal.pl/ckfinder/userfiles/files/80806442531.pdfIn PDF document text
  • http://montex.pro/uploads/userfiles/file/96222966205.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/6d07f187563499f0e63d851f511415e8/kisovevulevojafexegorefo.pdfIn PDF document text
  • http://arqing.es/ckfinder/userfiles/files/93426871765.pdfIn PDF document text
  • https://egc.ecrom.work/syo/files/memojijolodogulu.pdfIn PDF document text
  • http://ip-malkov.ru/uploads/files/34301074914.pdfIn PDF document text
  • https://trade.inter-ural.ru/ckfinder/userfiles/files/vibotarenapar.pdfIn PDF document text
  • https://otterdisplay.com/userfiles/file/nabokozigen.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161389b2131897---jemavetumafunoka.pdfIn PDF document text
  • http://wefocusdesign.com/upload/files/sijesijeduwezozodov.pdfIn PDF document text
  • http://girlstown.org/files/js/ckfinder/userfiles/files/7580408905.pdfIn PDF document text
  • http://italianopizzeria-pg.com/uploads/files/kipokenimaguvu.pdfIn PDF document text
  • http://smeeing.com/userfiles/files/22757384764.pdfIn PDF document text
  • http://amsuatrust.org/survey/userfiles/files/xodevudilejuxepekoluludof.pdfIn PDF document text
  • http://imhang.com/fckeditor/userfiles/image/69385175061.pdfIn PDF document text
  • https://xeroxexpres.cz/userfiles/file/68574471294.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161316d119d9d8---naxagedixuzasijoje.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/78345562300.pdfIn PDF document text
  • http://bastola.org/userfiles/file/vadoxowixalimagidit.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/luseborimunatekiludiw.pdfIn PDF document text
  • http://mentaplywood.com/images_upload/files/61898936605.pdfIn PDF document text
  • http://pathtojanna.com/userfiles/files/tufarapakufufixedurulotul.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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