Malicious PDF — malware analysis report

Heuristics 7

• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://infrive.ru/uplcv?utm_term=download+gta+v+iso+file PDF link annotation

  • http://agapetown.net/ckfinder/userfiles/files/81697517690.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/duwugaxomotuj.pdfIn PDF document text
  • https://agrando.cz/files/file/rigadeju.pdfIn PDF document text
  • http://galeriejacqueselbaz.com/userfiles/file/87549491464.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/efe6d283fa683c6ae6dfcd39537e7e22/mozelowubikanuwipogadora.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc218238c4---rekukumikogipuzabovujo.pdfIn PDF document text
  • https://premiersuli.hu/files/files/mopidivajavesor.pdfIn PDF document text
  • http://lachina.cn/upload/file/ganonaxemobesim.pdfIn PDF document text
  • https://j26clean.com/upload/files/mewagilaruxobi.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/99ff828809dfe9d04fa2bcba9ab01971/95410190522.pdfIn PDF document text
  • http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/86145411111.pdfIn PDF document text
  • https://starfoil-mail.nl/uploads/wysiwyg/tifit.pdfIn PDF document text
  • http://energo-market.ru/sadm_files/13209474345.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/69190371449.pdfIn PDF document text
  • http://tekizolasyon.com/ckfinder/userfiles/files/zifutagikizu.pdfIn PDF document text
  • http://211.129.1.225/system/ckfinder/userfiles/files/75475137244.pdfPDF link annotation
  • http://cyc.cz/pictures/clanky/files/wowebibiwim.pdfIn PDF document text
  • http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.net/ckfinder/userfiles/files/34899328046.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/98952066609.pdfIn PDF document text
  • http://80tner.netsociality.com/upload/files/fobesazewakazizoluwebif.pdfIn PDF document text
  • https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/12647035972.pdfIn PDF document text
  • http://vers-ma.de/userfiles/file/vibesatetagelixanufoxok.pdfIn PDF document text
  • https://bosgo.mn/uploads/files/55207358738.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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