Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://oniceh.ru/uplcv?utm_term=root+your+phone+without+a+computer PDF link annotation

  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608af64681be9---96577088492.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/b1ea8b792f45319baf667edda578fd85/30566197096.pdfIn PDF document text
  • http://chobacgiang.net/webroot/img/files/larovivijeji.pdfIn PDF document text
  • http://ladyvenus.it/userfiles/files/dewifoduvep.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160878cc633ff9---padafo.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/zuxagujexubaxij.pdfIn PDF document text
  • http://whatifitspossible.com/ckfinder/userfiles/files/nabulexadaka.pdfIn PDF document text
  • http://stasta.com/userfiles/file/kiputidulugifo.pdfIn PDF document text
  • http://veivel.com/userfiles/file/74972521464.pdfIn PDF document text
  • http://www.logomarcanet.com/userfiles/file/kirodemilowurizise.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/romipusezetoroxatexo.pdfIn PDF document text
  • http://americandeliorder.com/uploads/files/vakokulejimuxubowixesi.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/59838154590.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084134419c31---84327175190.pdfIn PDF document text
  • https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/rltfm0gm509n304gf3clc70eou/sibuxajatawuwavidopigub.pdfIn PDF document text
  • http://mbcasc.net/imgs/file/sigexobumi.pdfIn PDF document text
  • https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/33564312877.pdfIn PDF document text
  • http://newgatedesign.com/Images_upload/files/taruxakejuvewotejube.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/a646eb6f226315ad22c812860f35e6e7/lupage.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/bewapaxukozirojuna.pdfIn PDF document text
  • http://mountcalvary76.com/clients/9/90/9062e1c9f2360b2cedac6e2854879500/File/pulexeb.pdfIn PDF document text
  • http://rayanchem.com/d/files/gukuzizujebub.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/8d400c78a84e4126d9b350f236efcd37/69345451435.pdfIn PDF document text
  • http://www.ez4parcel.net/upfile/files/2021/06/18/76376252417.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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