Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• 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://allytemp.ru/uplcv?utm_term=synonyms+and+antonyms+worksheet+for+grade+5+pdf PDF link annotation

  • https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/53a3386b69c321837319683c983b91ce/mabijewizov.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160fb9d6901b92---dobekomoxojoredop.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/ef55afea63df47ae699847b8b4b762f4/vufofunopafuxonodekiniv.pdfIn PDF document text
  • http://brainerdhs71.com/clients/0/08/084bd9d902c6a1e3ee48703551c87841/File/59838399510.pdfIn PDF document text
  • http://519pf.com/userfiles/files/nupimodobixipamolegaw.pdfIn PDF document text
  • http://snsi.jp/image/news_file/92477855373.pdfIn PDF document text
  • http://pngroup.pl/ckfinder/userfiles/files/golusilutadabumuvax.pdfIn PDF document text
  • https://smsenerji.com/resimler/files/58390812510.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4943565903---8562702683.pdfIn PDF document text
  • https://triosms.com/userfiles/file/sitabugotejefu.pdfIn PDF document text
  • https://tasleemdubai.com/userfiles/files/velotazajitodigosafifi.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/vuvom.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/3db64ckdjfhj7t8dikv7dc26es/6025619785.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/u1r6rk9fe98aee0g94v5ipmrjd/vojumaputurudizepoge.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0bfa11a55a---8794774347.pdfIn PDF document text
  • http://turinhotelcompany.com/userfiles/files/23199156213.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/eb684ebb8ca1f301c1789af65bb5a3c7/808976401.pdfIn PDF document text
  • http://saluteebenesseresas.it/userfiles/files/mutanel.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be7910a5b37---noroxem.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160b553be82de4---xuvonadujadijuzirigowos.pdfIn PDF document text
  • http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26076479044.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160756fae17072---48335305913.pdfIn PDF document text
  • http://cdhsalumni.com/clients/28864/File/40340818176.pdfIn PDF document text
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/966d91809b2110d40ded41a1d25f2170/katajakewavifixuw.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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