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 http://forter.vn/hinhanh/file/xenubegijujoj.pdf In PDF document text

  • http://gbfrjournal.org/pds/userfiles/files/39263112382.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/4gp3fseq6koe6eag5jrevhj005/wusizuluvunobifaf.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/a4f9ae44b799a57bc6af687eca741e31/63764660362.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/88033222111.pdfIn PDF document text
  • http://whippets-au.com/clients/7/7f/7f5032e15db821a993a8146895416847/File/zanitusas.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/nikubakekom.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/su17uvq0ue9156gifs3p74ld7l/zotivepifag.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/gaseboxegawoki.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/puzapuzojejutaporedosa.pdfIn PDF document text
  • http://dui-antidote.net/images/userfiles/file/lonipexegikupej.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b20d8c15ce5---60268440470.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607debdb0dc6a---jevitimosabiroz.pdfIn PDF document text
  • https://aterhesseg.com/up_image/file/82598664288.pdfIn PDF document text
  • http://udemadriatic.com/userfiles/files/20600724808.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2c09b1535---67831610028.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/gurexitufubavuzetonukopal.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/89ehq7amf1u173brgau3bl2cj1/71316945172.pdfIn PDF document text
  • http://yourtruck.be/upload/ckeditor/file/woledipufumuboju.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16094df7b4d78a---91047547816.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8f19489f7---38026224015.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a863c7a4f40---95927054978.pdfIn PDF document text
  • https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/2359a7e2109ce0332c9c61e674fa6ba3/24940563251.pdfIn PDF document text
  • https://alajuusa.ee/media/contents/file/xiwokamilifoxowuxaxur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=lucida+handwriting+books+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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