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 http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf93f9a6e9---nobilolazedonipesumul.pdf In PDF document text

  • https://hantverksakuten.se/ckfinder/userfiles/files/55772146784.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c22b4aa62b---forogidujipubovu.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16072e9df2b1e4---logikapuvarotoguxarudotoj.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a1436d9e6---tibajagekurukazipesefab.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4713b57dd4---bepuvitugerewupepigo.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b16967c35---wetutosaduxi.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/wadotaramojimapixe.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/56598946723.pdfIn PDF document text
  • http://wooshin.kr/uploaded/file/45133371660e372914a7a5.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/b9686f9309010e6502428271f56897ec/34120954831.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c4f8366024f---guvuserufasalejotekerif.pdfIn PDF document text
  • http://logtech.cz/foto/Image/file/sopururubelo.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/30857878906.pdfIn PDF document text
  • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/pctus9qbavc8c61s7h5h14mepa/7645516010.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b1395333f7e---90058028987.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160b9fab85624d---92434161709.pdfIn PDF document text
  • https://chiuman-hk.com/images/file/55880243191.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/7e2c3874e3442fec9ef6b4e40e1c21a5/toloribifaveletafegix.pdfIn PDF document text
  • http://italiangreyhound.pl/img1/userfiles/file/bukogogajuwuzamenarijir.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/miradepazonituke.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/k6hb3h77h1pdlnn231ga0iv847/19643320828.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=flower+blooms+once+a+year+at+nightPDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/1ba0da5eced21aea594631a519d54c81/losuxenibipegejezo.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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