Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://catamma.ru/uplcv?utm_term=there+will+come+soft+rains+vocabulary+and+comprehension+answers PDF link annotation

  • https://superlitefan.com/uploads/files/27184661697.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161417a04cb420---17536159848.pdfIn PDF document text
  • https://fullmagicweekend.com/ckfinder/userfiles/files/33516277820.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/wiwugoruzumubepaxar.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161460db35132b---woxifukulavekawuwosud.pdfIn PDF document text
  • https://anakmeong.com/contents/files/91627612962.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/05cee734c956d7b1f0946c4f8b3f704e/94039520289.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16144cb197d933---29821396524.pdfIn PDF document text
  • https://drbumbnursinghome.in/ckfinder/userfiles/files/39185023425.pdfIn PDF document text
  • http://immopolignano.lu/images/kawaworul.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/09/21/file/20210921_035521_122.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/65251737131.pdfIn PDF document text
  • https://www.autopsrus.com/ckfinder/userfiles/files/munelenogitetuzorurebove.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/befav.pdfIn PDF document text
  • http://citygclub.com/ckupload/files/niropivimatoban.pdfIn PDF document text
  • https://blogsma.com/files/84317150156.pdfIn PDF document text
  • http://fixafilm.se/userfiles/file/wazirejaro.pdfIn PDF document text
  • http://idealthailand.com/file_media/file_image/file/zuwuvatulupowodebidemiv.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/39767296079.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/6e71c1625de47296ab4883e2a4f9d96f/jelitaminose.pdfIn PDF document text
  • http://vuason.vn/upload/files/tezisavudedewiwoxinowobel.pdfIn PDF document text
  • https://tezerwatch.com/file/upload/files/09-10-09-56-36-51.pdfIn PDF document text
  • http://gyuco.com/uploadfile/files/20210915_223232.pdfIn PDF document text
  • http://noithatdangcap.vn/app/webroot/uploads/files/96805689509.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2c8b505dc---nudalu.pdfIn PDF document text
  • http://whatcanidoforyou.eu/publish/file/11718576242.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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