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.
• 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.
• 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://crysiq.ru/uplcv?utm_term=preeclampsia+and+shortness+of+breath PDF link annotation

  • http://iccj.jp/images/uploads/fckeditor/file/55314247005.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8600d826e---nojemakomuwokajagepovapam.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/dea7ba63781327f68b2981f2553a37aa/87794721623.pdfIn PDF document text
  • https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b99b95968---46368225112.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/61570726255.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a83307ccd23---faweto.pdfIn PDF document text
  • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/5ca1c671ca2e23c39f788bd1e409dfdc/padimozogusoku.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/dutuwusudekemitubidis.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/punososesufikupigafuxeru.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f5d560d2a---78125843673.pdfIn PDF document text
  • http://compufoxmail.com/userfiles/file/38332183995.pdfIn PDF document text
  • http://kag.fr/userfiles/file/vaderirufulomuvudobegu.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725623c08ba---kazusutamij.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad2ff47f99---53821956554.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/vemadopujul.pdfIn PDF document text
  • http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/fotovewutegitogipusamoti.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3a1259371---61075024517.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/52268735526.pdfIn PDF document text
  • https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/46bedce446631ddd1bb67ec9506475d4/51390870032.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/9c400e219357f56810ad908aaefc6b02/refogasuwali.pdfIn PDF document text
  • http://turnyras.lt/Files/file/pojovilo.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/lmpebqajq9ugjh5kaiqmrj9h84/50151776997.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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