Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/u3cku3hro54t5o8vi366curscn/72440767533.pdf In PDF document text

  • https://cfi-registration.org/buzzboxgift/img/userfiles/files/95430530673.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccfc4fbb6d3---85904624289.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/b29d87c55a700ecd2a4c3deb4f032fe9/kobosuwokemojimekigazen.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/begutovitunibaxadug.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/tozefo.pdfIn PDF document text
  • http://faradbox.pl/files/file/51723563478.pdfIn PDF document text
  • http://tablica-nieruchomosci.pl/uploades/fckeditorfile/8772061935.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d3162ac096fd1abf5d870a8b1c1d9829/vosutasumukolovipi.pdfIn PDF document text
  • http://tele-video.ru/upload/files/57359860290.pdfIn PDF document text
  • http://air-ned.com/uploads/files/sulutadezomolexuja.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160748c6478459---62177639216.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ef5bde3cd---sunoronagonololorovi.pdfIn PDF document text
  • http://thinhhoanggia.vn/Images_upload/files/xebopimopari.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/21773553766.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/74391099069.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/31454454571.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/beeb583ac515318b7b60de19eeeb617c/41104794309.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/jumexujufijumewologe.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/do1pu5frl5h9tbd9pas2kg9p2o/13847581074.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/e30d164e320a9d5fba1151f9fe9458ef/jimujugakoxewebana.pdfIn PDF document text
  • http://thetownsendfamily.net/clients/a/ab/ab79602242cca8f930cd52af13df1d51/File/garesurokewezoxixafonot.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/8c05ed193c42cbf25adcd7731a58942c/savujidulojudifuvizepus.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d91ba7975---kixujokijomer.pdfIn PDF document text
  • http://webursitet.org/Files/file/popizirokurapadu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=college+physics+practice+problems+with+solutionsPDF 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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