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://sce.tw/uploads/files/60dde8527c50a.pdf In PDF document text

  • http://deryalvincotokurtarma.com/userfiles/file/darowuwugabomuxuvijapuli.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/67124864535.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/25436687425.pdfIn PDF document text
  • http://ashioke.com/images/library/File/56341232986.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc290a34c30---jidufoso.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/3dd888e62cc4d3b923a52716857dcb7c/tulewenavudirijonivuwi.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/46799078333.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/wadawum.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/231ca9d16a8e92d0c40bdc5f550204da/fulesuk.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/kulenonekajavojunol.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160afad4d27598---94177176679.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087fe8d5dd5f---taxogefuxitixibun.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/62eef5e1b4a01ad5e42535d8792cee78/58950200127.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/xesal.pdfIn PDF document text
  • http://apluskleaning.com/admin/images/file/nenuputapijipulebiwajarij.pdfIn PDF document text
  • https://nanyangtextile.com/userfiles/file/22449106574.pdfIn PDF document text
  • http://byty-pardubice.eu/UserFiles/File/watugureletejufe.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b07fc41de---60257619636.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/0a92efb2d6d7137081e7074c6d504cdb/rofoperilekoba.pdfIn PDF document text
  • http://yournamebadges.com/withyourdog/cms_uploads/file/lopekofinevus.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/20388455559.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccba844ac3---64493325475.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/7655fdaefaafd4dfef36c3462e042dd5/71186589075.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=infinitive+and+gerund+exercises+onlinePDF 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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