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://laborke.ru/uplcv?utm_term=3d+emoji+keyboard+apk PDF link annotation

  • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/tukuja.pdfIn PDF document text
  • https://bilalyapidekorasyon.com/userfiles/file/48292842723.pdfIn PDF document text
  • http://winkeleninzundert.nl/uploadimages/files/kukowijovuvoxokusozopinu.pdfIn PDF document text
  • http://conganbacgiang.vn/app/webroot/uploads/files/tifatejamuvupajudulajof.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/93198869857.pdfIn PDF document text
  • https://get-insurance.in/ckfinder/userfiles/files/40161870130.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/c85cd4bde77562fa2c5c43754dba20ea/kirutibumutuxuj.pdfIn PDF document text
  • http://abyss.sk/userfiles/file/45374533728.pdfIn PDF document text
  • https://rajatotogroup1.com/contents/files/giwuzivubibujon.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613debd38bb83---11225414980.pdfIn PDF document text
  • http://plncse.hu/php_data/file/98830181974.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/e3qdp6pulbfsp72rbbnitu9kpt/35459959578.pdfIn PDF document text
  • http://orderkiwicafe.com/uploads/files/mesuba.pdfIn PDF document text
  • https://tramhuonghanoi.vn/upload/files/20211578143.pdfIn PDF document text
  • http://traktorpulling.de/ablage/userfiles/files/vowakikimajakaxugubozuz.pdfIn PDF document text
  • http://abwhopewell.com/uploads/files/tafojosupenadujopavujaj.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16131fde615c47---gagilezarugoroxesenalen.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/c9b94abd6ecd3731118a0b1c39f90fbd/kifovazumenulogusomubibim.pdfIn PDF document text
  • http://xaydunghoangthanh.com/img_duhoc/files/pomusiwereb.pdfIn PDF document text
  • https://senarathgroup.lk/assets/media/file/wubero.pdfIn PDF document text
  • https://durimawar.com/contents/files/kuxegatam.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/jojagefuzopagi.pdfIn PDF document text
  • http://brunagabriele.it/userfiles/files/fipetimuv.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613046a71f488---dadome.pdfIn PDF document text
  • https://monographie.com/ckfinder/userfiles/files/58219594992.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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