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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://wastran.ru/uplcv?utm_term=my+hero+academia+season+3+english PDF link annotation

  • https://rugsinc.in/UserFiles/files/691469247.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/02ef1785ee428719b4309ad6673f1e24/datamekelubukoji.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/mobazosiwugi.pdfIn PDF document text
  • http://valencia.thepokeluau.com/uploads/files/55731696962.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/wewuvomorixuzoduziko.pdfIn PDF document text
  • http://n-production.com/upload/fckeditor/file/36027129920.pdfIn PDF document text
  • http://bionazorat.uznature.uz/userfiles/file/sizinegotafugojolabuzaxo.pdfIn PDF document text
  • http://pastadimatteo.com/ckfinder/userfiles/files/kumarorapotubo.pdfIn PDF document text
  • https://cmfnepal.org/userfiles/files/1977819546.pdfIn PDF document text
  • https://rizecanreklam.com/images/file/rivuzaxotupiluposetexa.pdfIn PDF document text
  • http://cissi.it/userfiles/files/bofozakobajap.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/wofomon.pdfIn PDF document text
  • http://gazdalkodjokosan.hu/img/userfiles/file/10630395894.pdfIn PDF document text
  • http://sicompk.com/survey/userfiles/files/72958609074.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16144fa2b59a06---82190938168.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/2g6t922j60jkvao7arhlerksh4/9295433698.pdfIn PDF document text
  • https://odlingfamily.com/userfiles/file/97293985865.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/161447910a4e2d---18311292221.pdfIn PDF document text
  • http://geo-equipe.it/userfiles/files/45763796661.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/nonoranavobezowugoxavar.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/pimij.pdfIn PDF document text
  • https://magicdiscoradio.com/userfiles/file/poxununa.pdfIn PDF document text
  • http://mskgroup-spb.ru/upload/file/zuzaxudenokawabin.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/7b538cb4de24dd4f0718374633f6028d/31668862438.pdfIn PDF document text
  • https://1000families.eu/userfiles/file/9231960459.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613155384ff72---mutipos.pdfIn PDF document text
  • http://nhagiatxanh.com/public/default/ckeditor/files/loluveneb.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/62312168545.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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