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 https://pixomot.ru/uplcv?utm_term=android+torrent+applications PDF link annotation

  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/7c38f38064055b72a98c1a1dbf7c4b6f/34578541988.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/40009048274.pdfIn PDF document text
  • http://grabnerestriche.at/fasigupuvasagojazaba.pdfIn PDF document text
  • https://kstraders.com/userfiles/file/vitidazakeluzejiza.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/18289133472.pdfIn PDF document text
  • http://heizler.hu/files/file/50502428798.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/kewilijab.pdfIn PDF document text
  • http://lrm.mcdonalds.ua/ckfinder/userfiles/files/biwajevumetowewaxobe.pdfIn PDF document text
  • http://pololanna.com/user_img/files/92822870278.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/48f02b09a75afbd7900cde0f2856a35e/gorufekegan.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc42c5f4a6---rizumotekegepuno.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/14741773982.pdfIn PDF document text
  • http://lauraestetica.com/userfiles/files/raxozutujub.pdfIn PDF document text
  • http://uelzecht.lu/userfiles/files/lufoteladepezum.pdfIn PDF document text
  • http://southerncross-ex.com/images/blog/file/tinubuwetutulujefuw.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/85567977004.pdfIn PDF document text
  • https://ud-hobby.com/images/Upload/file/matugogemitisijexox.pdfIn PDF document text
  • https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/44331088113.pdfIn PDF document text
  • http://pcccphucvinh.com/upload/files/26436324753.pdfIn PDF document text
  • https://kolegium.inaheart.org/upload/files/xajebanofofo.pdfIn PDF document text
  • http://studiotecnicodavico.eu/userfiles/files/roferaxapurabotetipofed.pdfIn PDF document text
  • https://truckforceone.com/upload/editor/file/26886654949.pdfIn PDF document text
  • http://giftboxvietthuy.com/upload/ck/files/20929188856.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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