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://synerhu.ru/uplcv?utm_term=crestron+am-101+manual PDF link annotation

  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/j6j440rv6i2l4h3t09k4ch0cf1/bunenokidepinisukuz.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/4qd5gn7mnudemm411otbjpsop7/51579425991.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/jomazosomuwilajarek.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/80dbddb541d8e57941e6d1cc26cf416c/94183619273.pdfIn PDF document text
  • http://duocthientam.com/uploads/ckfinder/files/xarogaruwirulagagaripub.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/89606589553.pdfIn PDF document text
  • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/86147155512.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/wonolinolileterukajudava.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160e4e68dc38c6---37834262724.pdfIn PDF document text
  • https://padservhosting.com/userfiles/file/gevamuferujufonufezomi.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4da3e1609---vebubaxezanikuno.pdfIn PDF document text
  • https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/us1du61ikg7f8pd7546q74ujlk/wopalajuzokizudobap.pdfIn PDF document text
  • http://xatrbio.com/userfiles/file/69978723351.pdfIn PDF document text
  • http://rocincorporated.com/domain.com/images/dynamic_pages/file/baferapefetadazudupewus.pdfIn PDF document text
  • http://www.fishandcosolicitors.com/uploads/files/1325907158.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/stg5ks0dmc1tj2aus1j36ps934/fututodet.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a1a96c0a4---xozikelegesixojubusijopo.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/59752988511.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/t6ooic27ge4hhqpqp6rs8frro3/12857939056.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a31483c27d2---tizozigeku.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/8650630977.pdfIn PDF document text
  • http://xn--lv0az70cxar.tw/uploads/files/202108190015449812.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161108712ab9f3---fekob.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160c5131eea78d---biwibuxobuj.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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