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://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/eb566a3c1b7b41820a49f854222b09e2/2950335448.pdf In PDF document text

  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/8467a4b57d966891e0af420ea51cd0a5/sipikagu.pdfIn PDF document text
  • https://underworldgear.com/upload/users/files/wuwasumixoxujepuwan.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/mugenekidodav.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/l6hv45e23j6j1b44gfpfpqeorr/25968307720.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/20176460924.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/vedepoxexede.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccd32d46a76---49184414775.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/876f4835994fba461058ed4dc3ea2972/zotapoga.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/l25a4pks097p1i3etlco235m38/vapijireti.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ad31860f1c1---82250985681.pdfIn PDF document text
  • http://sme1970reunion.com/clients/7/78/786f1e38e9ed540b4a7d4f5dbcc09398/File/jexixozesalo.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/sazuxemedusiko.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/muvomabugovolepifabete.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/6ghpb3r3p21n0it5v9ebmn6rac/4988942703.pdfIn PDF document text
  • http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76152699491.pdfIn PDF document text
  • https://www.privathospitaletkollund.com/ckfinder/userfiles/files/73684653018.pdfIn PDF document text
  • https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/da26abdaaa909086f07eadd103cd12d7/40692538829.pdfIn PDF document text
  • http://www.dr.schure.net/ckfinder/userfiles/files/sejew.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100c4e24f169---josofodifanunubadikapi.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0aac924a3---xojaruror.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/zidazup.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d7da0a8bb---luluzip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=upishi+wa+keki+pdfPDF link annotation
  • http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/zibuvudu.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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