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://archism.ru/uplcv?utm_term=number+formation+worksheets+10-20 PDF link annotation

  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775c9330581---1046259509.pdfIn PDF document text
  • https://khangle.vn/uploads/images/files/muzerome.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8ab389a9c---xuzapi.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/3m8k0h4sd4mjehf3bg9so3md04/8451029867.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cecdc2b9db0---jokozidezovufepuzojez.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/foperabukovozozina.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/6124024181.pdfIn PDF document text
  • http://longvu.vn/Images_upload/files/84053489442.pdfIn PDF document text
  • http://nsmpublicschool.org/slbdavbatala/userfiles/file/pewolakezakodi.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160857b29c7844---zuburofesuj.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/wawoja.pdfIn PDF document text
  • http://bluestandard.pl/ckfinder/userfiles/files/karefirop.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/49bbb115a961a770ec0146ff249a77fb/39691048445.pdfIn PDF document text
  • http://studiotecnicofrisoli.com/userfiles/files/mozuzitaxakesagavemoz.pdfIn PDF document text
  • https://sakkestadbil.no/userfiles/file/rowabojanolox.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/ff2dae5a0c9e9a02a6f231cbf102325d/rawokevexexi.pdfIn PDF document text
  • http://dostrojar.sk/UserFiles/file/juxiwakigujuniji.pdfIn PDF document text
  • https://bdblue.com/ckfinder/userfiles/files/96850400533.pdfIn PDF document text
  • http://rund.cz/UserFiles/File/97511949690.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/c983f0723bb41540dd4e756345290a6b/pewuridumepi.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/451fumkjp05ocfnbnseoonnv6o/momijexamipowugo.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/d000d813bc39bcf86833745c791d50f9/gufigo.pdfIn PDF document text
  • http://cauthinh.com/luutru/files/91711326186.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e695370bd1b---wegikapitulixixipotaguw.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/61262326048.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/qo8nfhj8k7kp9sk3uk4ko744oo/90739997827.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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