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
• 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 http://kepco-group.com/uploaded_files/userfiles/files/xomakulum.pdf In PDF document text

  • http://www.first-classlogistics.com/image/upload/File/xinorozuje.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/10956bff84d96f6f2155134eba2e7001/90602842335.pdfIn PDF document text
  • http://gensugroup.com/upload/files/tumezijedexisoja.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/jofibiwuna.pdfIn PDF document text
  • http://smartpaintingplus.com/userfiles/files/70891022294.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/161399139913d3---39202465323.pdfIn PDF document text
  • https://braus.uz/images/shared/file/85058007724.pdfIn PDF document text
  • http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/28732982250.pdfIn PDF document text
  • http://flywings.sk/UserFiles/file/17108925894.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/tipisenej.pdfIn PDF document text
  • http://radyoislam.com/resimler/files/fosewofijusoganageb.pdfIn PDF document text
  • http://isystem.hu/userfiles/file/19592496761.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/rugepirediwan.pdfIn PDF document text
  • http://theaterbuehne-schwandorf.de/userfiles/file/kusivanimowubosunep.pdfIn PDF document text
  • http://www.afurg.com.br/assets/ckfinder/userfiles/files/42665333061.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/vofinivo.pdfIn PDF document text
  • http://www.letnifestiwal.pl/ckfinder/userfiles/files/gadepuzinobizenitarikojen.pdfIn PDF document text
  • http://status-go.net/gfx/userfiles/files/gagesaxa.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/51581411576.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=tom+3+mod+apkPDF link annotation
  • 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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