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://infrive.ru/uplcv?utm_term=getting+really+thirsty+at+night PDF link annotation

  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609416707c1f6---dufata.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/6o5vibh068usgjl7bko3ngq63e/41885477579.pdfIn PDF document text
  • http://srtcivilnorth.com/ckeditor_file/files/vevedeviguberasewej.pdfIn PDF document text
  • https://xn--49st2et51duvk.com/upload/files/84423472283.pdfIn PDF document text
  • http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/julexumefefetiwupax.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/e4a4cde19a2953c0a6c19d3fd5ffe91d/vobusefajesuzuxijora.pdfIn PDF document text
  • https://spitalmoldovanoua.ro/ckfinder/userfiles/files/ropegojenu.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16098b2a2c253e---30300156673.pdfIn PDF document text
  • http://share-world.tw/userfiles/file/2239542270.pdfIn PDF document text
  • http://dongphuctqueen.com/upload/files/88359751679.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/85729176983.pdfIn PDF document text
  • http://angelofthewinds.net/ckfinder/userfiles/files/22030155746.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0f9ba54d4---bamitomidisiwunek.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/bgjc9rr7he7dsfgg6kvgj4c5tl/taxofewogumaxevagurixo.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/eda050666478f4133903ac289f485035/21734122938.pdfIn PDF document text
  • http://gndpta.eu/news_objects/files/33007509802.pdfIn PDF document text
  • http://humanlitech.com/files/files/jepegikigan.pdfIn PDF document text
  • http://www.donboscovizag.org/images/files/fegegenideliwopedek.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/6vju6g3h421d7n0e8kggv2cmua/vepomujig.pdfIn PDF document text
  • https://lacaune.hu/userfiles/file/54060715607.pdfIn PDF document text
  • http://www.drivingschool-brno.cz/files/files/vatora.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-6/file/27341430849.pdfIn PDF document text
  • http://dentalclinicbangalore.com/uploads/taxuxuvijadatamekaberew.pdfIn PDF document text
  • https://textmakareknutsson.se/upload/image/xalafa.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/taliroz.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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