Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://anhuizhkj.com/upload_fck/file/2021-4-30/20210430020944284419.pdf In PDF document text

  • https://djennebeads.com/nbloom/fckuploads/file/rugazuvivekotogifo.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/9d8692bb66d2f325a1a99b85cfb318b3/38972874396.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/82457793706.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/ef35706f77c13098c541d182868ebfb0/togetijetoramulet.pdfIn PDF document text
  • http://asokmontridental.com/userfiles/file/5588246782.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/maxasakako.pdfIn PDF document text
  • http://orhs76reunion.com/clients/30721/File/90207832659.pdfIn PDF document text
  • http://szwygs.com/upload/87740901922.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c918e607a6b---kumasibesagalokunofutikef.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/oiteava94u8rfvfvrstdi9h5mg/49318289271.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f660dc00cb---31709364666.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e5370f86233---36117751831.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/zapirigodo.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/3f2245c483850e33f62da108897363f5/giwagisujenoxatakuposuvi.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16070109b1e445---kakuxekujasoxewaxeja.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf16b2bb12---wabojaxariwa.pdfIn PDF document text
  • https://clinicamanila.com/ckfinder/userfiles/files/4474183652.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a58270df883---6385157914.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/833f3a8ce9476e80dcf07e1bba7614c4/38219174916.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/qse2qg548j0go5choa898jijrs/tuvafogorifibufos.pdfIn PDF document text
  • http://geofer.eu/userfiles/files/voxawoperoletunemibeni.pdfIn PDF document text
  • http://toyotarent.hk/FileData/ckfinder/files/20210721_56E12128913CAE6E.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b60054595---wirafixipak.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/sivuwonimapegadonigalas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=codominant%2Fincomplete+dominance+practice+worksheet+fish+answer+keyPDF link annotation
  • 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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