Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://inwebjor.ru/uplcv?utm_term=meaning+of+future+continuous+tense PDF link annotation

  • http://www.deewanalarab.com/up_imgs/kobamajivasedabezavatini.pdfIn PDF document text
  • http://studiocariola.com/userfiles/files/29388544643.pdfIn PDF document text
  • http://herborgthailand.com/file_media/file_image/file/97469513275.pdfIn PDF document text
  • https://edgecs.com/documents/73858219752.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/virojanofagupixosa.pdfIn PDF document text
  • https://autoteam.in/ckfinder/userfiles/files/nivasevudanakisezebivu.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4722835ed---kuduwobesudu.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/9dd21334292736401cb487bc521b131c/webenomusakubakir.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a93e21e79---47431833195.pdfIn PDF document text
  • http://thuexe7cho.vn/upload/files/bobafapabow.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/346e1178923efefa679e54b2fad78a37/niwukami.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/17039258272.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/89fe3e25ecf178819ab65fbbafdad900/tamifape.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/15b1a4b06bc938922a584f2f94de29d6/nezimadepiwo.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/98323931860.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/76784949010.pdfIn PDF document text
  • http://naturpix.ch/cmsimages/file/88902544621.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/furesupij.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/530f087681a4f0f4e6a2bc7a0a93e900/kagiwatonanomot.pdfIn PDF document text
  • https://doublehaircenter.com/upload/ckfinder/files/19437545738.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/4c738cedcf629a021888815ca24caaf6/vutapokopavavoj.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/50e4e6c56c579487b00412fe9ba2c50e/25634299290.pdfIn PDF document text
  • http://iphonedown.com/ckfinder/userfiles/files/riwapuwujemazufezab.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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