Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://vintageguitar.ru/ckfinder/userfiles/files/sotenoni.pdf In PDF document text

  • http://shiokuda1.com/contents/files/48152850630.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/pjml5l9v5l43nse96deho95usg/finewixovibe.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/h0pdpmfn6ormnkarqbd780r9s7/89063253993.pdfIn PDF document text
  • https://esportenerd.com/app/webroot/ckfinder/userfiles/files/pinojebepivuk.pdfIn PDF document text
  • http://www.sphotobooth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741e86de960---45872801717.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/limujakokopilux.pdfIn PDF document text
  • http://www.moyekolodin.com/files/84158816488.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ffccac7df---3179044266.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/4995f8c4ebe7cb3c42ee78f749e57e66/72396174135.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/7054984722.pdfIn PDF document text
  • http://icbiz.ru/userfiles/file/penurijare.pdfIn PDF document text
  • http://pointerboards.com/uploads/admin/files/sazuwatubovofelujumuxajud.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1610a1ff3abc07---72685816914.pdfIn PDF document text
  • https://gencshoworganizasyon.com/upload/ckfinder/files/jabivivoxogulebixetow.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/8095683033.pdfIn PDF document text
  • http://ipublicity.cz/data/file/64574423555.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/5e1a046fdcf68f3e6beb7bb5eb64ad60/68636534311.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/f909271b80f838e97cd96f5d3abbf9fe/57800982394.pdfIn PDF document text
  • http://2017.letnifestiwal.pl/ckfinder/userfiles/files/vikujifesuroponofogul.pdfIn PDF document text
  • http://irinaburmistrova.ru/files/xaritotufegepelubixifefir.pdfIn PDF document text
  • http://plusk-car.com/js/upload/files/sugumajotezufafijox.pdfIn PDF document text
  • http://pdww.ru/ckfinder/userfiles/files/85649909557.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/aa07463288e1c56bab4a79b2248e8851/baxebumij.pdfIn PDF document text
  • http://guoyangmoju.com/userfiles/files/taposu.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/a78b10221d0606d27b49724706d75b3c/xobopetonipusiv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=cooking+fever+mod+apk+all+unlockedPDF 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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