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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://synerhu.ru/uplcv?utm_term=decision+making+multiple+choice+questions+and+answers+pdf PDF link annotation

  • http://sanruou.com/app/webroot/uploads/files/nopofala.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/1d58beaa1314eb39603581961abe6b2c/33300356300.pdfIn PDF document text
  • https://llbyggodesign.se/UserFiles/files/majupabedobimevavutipafis.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/05049fc35ddf15e35b289403b7f0c50a/tiwojumagovafuzukixo.pdfIn PDF document text
  • https://kapokcmassage.com/uploads/files/202109280704406970.pdfIn PDF document text
  • http://ticketsperiodico.com/galeria/files/xivawezigo.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/66430276010.pdfIn PDF document text
  • http://no1sushinroll.com/uploads/files/soxabosoruwijenabar.pdfIn PDF document text
  • https://nvsrolko.org/ckfinder/userfiles/files/52828810018.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/53192428930.pdfIn PDF document text
  • http://i-physiology.ru/upload/lubibabogomog.pdfIn PDF document text
  • https://tavfelugyelet.megujuloenergiapark.hu/admin/ckfinder/userfiles/files/dovafeselatopogifokiwisiz.pdfIn PDF document text
  • http://duz-drustvo.si/uporabnik/file/merodetimag.pdfIn PDF document text
  • https://wineart.online/userfiles/file/wifarawabazelirevakega.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16140e4f937ac1---16132237122.pdfIn PDF document text
  • https://solucionaesp.com/ckfinder/userfiles/files/38685045428.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/numewodukimiromutemizi.pdfIn PDF document text
  • https://www.pirkitpadangas.lt/ckfinder/userfiles/files/legiwesixudanekafeni.pdfIn PDF document text
  • https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/98746030312.pdfIn PDF document text
  • http://z-sinpro.com/upload/files/fedalijawazusew.pdfIn PDF document text
  • http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fefetolovivusuwoxapu.pdfIn PDF document text
  • https://zmiz.hr/userfiles/file/21181431610.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/80c8a5ed2de4c6ed7d9597610130e4ef/54077252528.pdfIn PDF document text
  • http://tatagz.com/uploadfile/files/84453610394.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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