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://ahchala.com/img/file/ladamomurawubugoluvagas.pdf In PDF document text

  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084a204f128b---69156015890.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/11c83ab402d90bbaa8bb0b9cee98a95e/niserebele.pdfIn PDF document text
  • http://packturf.fr/files/lobupivavawarutuvujujo.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/731b510082f348801c4ade694b3deeb0/37354198771.pdfIn PDF document text
  • https://patriciobanados.cl/upload/file/In PDF document text
  • https://bdata.vn/upload/files/17921692888.pdfIn PDF document text
  • https://ezastupitelstvo.sk/editor_uploads/system/files/98294250263.pdfIn PDF document text
  • http://gewald.ru/content/Files/rudinax.pdfIn PDF document text
  • http://mlkscholarshipsmilwaukee.org/clients/f/f0/f021f13c5c598389be7e913a1ae626ff/File/99621100633.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081aea741635---60353541561.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/9327dae67da8d92dbcae9e88f855a757/80907553064.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090d12a89744---78570513962.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/56501295928.pdfIn PDF document text
  • http://railwaysrailroads.com/upload_files/files/94051535573.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/2816588005.pdfIn PDF document text
  • http://www.hydro-tg.pro/upload/file/90654105861.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021043004142873499.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612d27a2b474c---60205136138.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be99d3aa6f9---28243460109.pdfIn PDF document text
  • http://studiorapizza.it/userfiles/files/58952505198.pdfIn PDF document text
  • https://asiquim.com/ckfinder/userfiles/files/31143810551.pdfIn PDF document text
  • https://sgotomotiv.org/upload/files/78995802687.pdfIn PDF document text
  • http://korsorlampang.net/user_img/files/23479778813.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160773b61078e2---56725517639.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=school+calendar+2019+gauteng+pdfPDF 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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