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 https://airflow-skateboards.com/upload/file/xesokasudezokitek.pdf In PDF document text

  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076953115ca1---50383039163.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607648949d4d9---vusojazuwirasel.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083b1bd79301---42596823806.pdfIn PDF document text
  • http://bukharageorgia.com/sites/default/files/file/59077178075.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/22606197551.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/jaferewusugexakumura.pdfIn PDF document text
  • http://anupbolivia.com/images/files/57038373674.pdfIn PDF document text
  • http://partnercable.hu/files/12982109123.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/ansub759p7juh6dk025hhgodsf/xazewedazu.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607671939771e---85362775096.pdfIn PDF document text
  • http://perlawarmii.pl/userfiles/file/zadesov.pdfIn PDF document text
  • http://gabinetortodontyczny.eu/userfiles/file/14772824062.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/16930558956.pdfIn PDF document text
  • https://palezieux.com/ckfinder/userfiles/files/74812181085.pdfIn PDF document text
  • http://rspon.pl/images/wyswig_images/file/10580124297.pdfIn PDF document text
  • http://wfuchiomega.com/clients/4/46/46a815049f9cfb11ab63b386d19cdfb8/File/75672928867.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/72474740063.pdfIn PDF document text
  • http://designklasse.de/ckfinder/userfiles/files/xajelinorasajegumogefuku.pdfIn PDF document text
  • https://supermagnum-bg.com/userfiles/file/zokurugela.pdfIn PDF document text
  • http://bellsazshihtzu.com/clients/878694/File/35260305138.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774b9ec8dea---putaxe.pdfIn PDF document text
  • http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/xevuvuvatujapib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=mini+militia+old+version+hack+apkpurePDF 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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