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://krisoc.ru/uplcv?utm_term=reboot+to+recovery+apk+no+root PDF link annotation

  • https://a-metal.e-giant.net/archive/file/files/17236259977.pdfIn PDF document text
  • https://trvstore.com/userfiles/file/teviluduxe.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/berobufumogizok.pdfIn PDF document text
  • https://siam-royal-view.ru/data/files/vepakutanebevog.pdfIn PDF document text
  • http://fishtech.org/uploads/userfiles/file/file/18351349078.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/e6bccdaf4319bce32efdd8dd9abe4001/22787711823.pdfIn PDF document text
  • https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/7678664106.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-14/20210914052104312719.pdfIn PDF document text
  • https://dogathermalhotel.com/resimler/files/81691061259.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145b4cd24532---22312524491.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/35lesi912jc27sps6hficp1j9o/mojedowaxanufoxotivikusal.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/60087935679.pdfIn PDF document text
  • http://fkjz.cn/upload/files/2021/09/202109250906417090.pdfIn PDF document text
  • http://vibrator4you.cz/UserFiles/File/95416777503.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/11606052981.pdfIn PDF document text
  • http://etenindex.nl/images/uploads/dekifagobijolesom.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/10ca9737b85c620d878b9303088f0977/89542613082.pdfIn PDF document text
  • https://lmcmanager.com/ckfinder/userfiles/files/27606737659.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/08bbabfbe55b99784d32e77fb650a3e7/47150149851.pdfIn PDF document text
  • http://ferrogep99.hu/static/media/file/fuxowagaju.pdfIn PDF document text
  • http://qiangka.com/ckfinder/userfiles/files/20840104219.pdfIn PDF document text
  • http://technology-mp.it/userfiles/files/liwogu.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/b97r1abr2bvp6fr06060m9caql/77096960233.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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