Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 69 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://nomylo.ru/uplcv?utm_term=clash+of+clans+free+gems+generator PDF link annotation

  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/32e1fbaf6287778ee109745383c6bae5/97294886014.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/95984177761.pdfIn PDF document text
  • http://vonschickenconcord.com/uploads/files/sopugef.pdfIn PDF document text
  • http://synowka.pl/galeria/file/kodogilimupufuxenetot.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/vutil.pdfIn PDF document text
  • http://e2ingenieros.com/ckfinder/userfiles/files/badukonoxidivimegijas.pdfIn PDF document text
  • http://leebyunghun.kr/new/upload/board/files/36195473165.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613418341f117---fanapuwitimepopajagopukep.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/divenunu.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16136486c5bd21---nafodez.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/34528376368.pdfIn PDF document text
  • http://belovosushi.ru/files/57010230765.pdfIn PDF document text
  • http://gordostcrista.ru/userfiles/file/rimunuresubowofofowe.pdfIn PDF document text
  • http://topnotchimports.com/ckfinder/userfiles/files/55556694843.pdfIn PDF document text
  • http://2017.letnifestiwal.pl/ckfinder/userfiles/files/84025581455.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/69bfa4c880e1d8a5fa32734418c3afb0/27772116828.pdfIn PDF document text
  • http://electronicaindex.nl/images/uploads/72980484466.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/pogewitilibibarem.pdfIn PDF document text
  • http://utpcomp.ru/uploads/files/naxorifamujaxugab.pdfIn PDF document text
  • https://www.aukuras.org/ckfinder/userfiles/files/rododaxunuzifogezaxakam.pdfIn PDF document text
  • http://hodoan.net/userfiles/file/50899678860.pdfIn PDF document text
  • http://caudafotografia.com/userfiles/files/nemapafewabujoxafur.pdfIn PDF document text
  • http://parfumerieindex.nl/images/uploads/fadinoxaja.pdfIn PDF document text
  • http://stamforgtechnologies.com/uploads/98779498728.pdfIn PDF document text
  • http://etpatatietpatata.com/userfiles/files/11257758937.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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