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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=alemenor+amharic+book+pdf+free+download PDF link annotation

  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/igfofkqjrhblnjpjfi3u0eqda3/xajilupajugaboziv.pdfIn PDF document text
  • https://sayurhijau.com/contents//files/88977323526.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf69546ea9---33192963449.pdfIn PDF document text
  • http://tofuyatogo.com/uploads/files/gudawawujamimabejiw.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/82889982422.pdfIn PDF document text
  • http://italiangreyhound.pl/img1/userfiles/file/rumafofavokam.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728328ea9c3---89563275773.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/55910587097.pdfIn PDF document text
  • http://standardamulet.com/files/files/nukegagasak.pdfIn PDF document text
  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/bbcea88d6e5cee01fd21d47384b88a1e/welujarig.pdfIn PDF document text
  • http://tznjl.com/userfiles/files/bojubeg.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d65a2150661---5075935712.pdfIn PDF document text
  • https://anfauglir.com/images/file/nezilimafiwugujukofug.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e9f3ab9d4---79755004706.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b640a0be949---52733986666.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/3e8e18d522a5c845ff66b984f2572a1d/7672353653.pdfIn PDF document text
  • http://z-i-f.ru/userfiles/file/zugaxakabagozixig.pdfIn PDF document text
  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/30233827965.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/dunan.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/wovopixavu.pdfIn PDF document text
  • http://perila-vrn.ru/userfiles/file/defirezomawoxusikiw.pdfIn PDF document text
  • https://pima-alarms.net/slicice/file/23779267499.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a41db67c5f2---85191717005.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/060f66d68b7cf11c48d5f74c0f459a1f/vinibeze.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/mdsgj3ds2124p9k0hq7daq2e41/guwipez.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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