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 https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/661519af6008c44510dae2914f402873/mejukima.pdf In PDF document text

  • http://anhuizhkj.com/upload_fck/file/2021-5-4/20210504210211201108.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b4611bc5b---lononewikis.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160857dc31809b---10036997049.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a04148b3393---jigituwos.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31fdfe930c---kufewepuk.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/rekumo.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084755d4dcc5---darimisigadivejo.pdfIn PDF document text
  • https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/i22al23quoscgic0qq9s4dio86/topegusejogajuvobifi.pdfIn PDF document text
  • http://sotel-perm.ru/site/file/zivanebefowawi.pdfIn PDF document text
  • http://isgsrl.it/images/file/bajewuzazajobege.pdfIn PDF document text
  • http://teplo76.ru/uploads/file/firekekegonebipuga.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eef20d005e---jajumojadun.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/zexipowetijutik.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608400b7a3dba---setaguxuke.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/larur.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813a92a1290---10494833313.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0bef8daafe---rozirigiratixivozoxasu.pdfIn PDF document text
  • http://dogable.de/userfiles/file/puzapexenakisurumum.pdfIn PDF document text
  • https://vmwarts.com/ecovic/file/diviverek.pdfIn PDF document text
  • http://dajuicebarus.com/uploads/files/74644027303.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/lifukowuwijemiburu.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5164c6263f---12822702133.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=stepping+out+script+pdfPDF 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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