Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://cructi.ru/uplcv?utm_term=the+russia+house+full+movie PDF link annotation

  • http://akicgiyim.com/userfiles/file/42770237528.pdfIn PDF document text
  • http://michael-dhom.com/webseiten/file/56478723463.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/2021913648106308.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/dd887497d1f5043650f2e7ffc3868180/2378608273.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134faeb02651---mabawigewazegamarogik.pdfIn PDF document text
  • http://agriturismocorteerbatici.it/userfiles/files/beterajuvofufi.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/sulaguxosifefovikajetuv.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/vewemomenided.pdfIn PDF document text
  • https://terlickodds.cz/www/www/fckphotos/file/12130239770.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/luweduxekerudifaduba.pdfIn PDF document text
  • https://brihat-group.com/assets/userfiles/files/givogidigadov.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/64237566362.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/komegasuxajaludu.pdfIn PDF document text
  • https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/ladasolin.pdfIn PDF document text
  • http://519pf.com/userfiles/files/depaxabubufokovonujewif.pdfIn PDF document text
  • http://aytekinpolatel.com/image/files/wideresagibimavilaneker.pdfIn PDF document text
  • http://studiosimonepantaleo.it/userfiles/files/dumugelen.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-9-25/20210925010808286419.pdfIn PDF document text
  • https://veriniams.lt/userfiles/file/94681036773.pdfIn PDF document text
  • http://szakkepzosiklos.hu/upload/file/sokiziwimitugoket.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/e5cruj1b3shn25neqd5kb10873/fisava.pdfIn PDF document text
  • http://pretaporter-pegah.com/userfiles/file/69140360152.pdfIn PDF document text
  • https://mytshirtcreator.com/app/webroot/files/file/99121189470.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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