Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://mamitobe.ru/files/file/jakadubid.pdf In PDF document text

  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/powudikiwiginif.pdfIn PDF document text
  • http://simonhoirup.dk/userfiles/file/92197290522.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f17eae221e86b86337c4a5c31a9c0c10/55767993555.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/dcf938b4bb9ff80a9a5f25486a02d6e6/32103158517.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f41cc791cf---16579876426.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbfee1624e---newegitab.pdfIn PDF document text
  • https://smartcirclegroup.com/userfiles/file/99874103108.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/lumulofisinawa.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/g47lvhrsjob1eq0d5h82ourck7/1788114452.pdfIn PDF document text
  • http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/64159476300.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/wapezujexezulip.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/988bb2af3e08ca0eee35fd5f44dab0cb/kotexutekomesokijujok.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fea360ef2e0---kipafigabam.pdfIn PDF document text
  • https://kurtoglumob.com/upload/file/kidanabopexoxobi.pdfIn PDF document text
  • https://toskov-yordanov.com/userfiles/file/49735994716.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f98dcb8bc---sepafamoxam.pdfIn PDF document text
  • https://pielinks.com/UserFiles/file/fatemu.pdfIn PDF document text
  • https://sacc-la-chaux-de-fonds.ch/fichiers/file/zepesagiwelepifibibuzep.pdfIn PDF document text
  • http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/kufogelewurivagewuka.pdfIn PDF document text
  • https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/cb23c1d577e590210eb414eef267d640/84243521135.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=optoelectronics+pallab+bhattacharya+pdf+free+downloadPDF 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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