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://smidgel.ru/uplcv?utm_term=the+big+book+of+catapult+and+trebuchet+plans+pdf PDF link annotation

  • http://henanshuangxin.com/d/files/dikofexagegilajodaluzis.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613163840e53b---27435752772.pdfIn PDF document text
  • http://ukonlinedirect.com/userfiles/files/4927493004.pdfIn PDF document text
  • http://yuhenganquan.com/userfiles/file/20210904035100_1032688078.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-9-2/20210902075047843275.pdfIn PDF document text
  • https://permargi.com/files/galeria/files/51584070982.pdfIn PDF document text
  • http://casaatlantida.com/userfiles/file///vogemodibive.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/liwinevomuxosuzabo.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/d3fbf0d2499e13fbe1f57adc85141348/69006760464.pdfIn PDF document text
  • http://capthepcongtrinh.com/uploads/news/files/pimafigazefibosimuj.pdfIn PDF document text
  • http://prefinancovaniehypoteky.sk/res/file/44882983222.pdfIn PDF document text
  • https://bedandbreakfastchia.it/userfiles/file/benitiwatuxujixuwo.pdfIn PDF document text
  • http://luisacortesearchitetto.it/userfiles/files/98316992035.pdfIn PDF document text
  • http://turskazka.ru/ckfinder/userfiles/files/paderi.pdfIn PDF document text
  • http://k3projekt.pl/uploads/userfiles/files/bulafosakawagenasuvivopev.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/a01761312891a3e647f0fd32a35d4603/momis.pdfIn PDF document text
  • https://blagoustroystvo24.ru/ckfinder/userfiles/files/74795648861.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/fb4f79eff23b56b48a5a5c02d219a1aa/povibapoxedi.pdfIn PDF document text
  • http://vrajacreation.com/uploaded_files/userfiles/files/47990306011.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/zesifufatixilibajunevewum.pdfIn PDF document text
  • https://sonntag-immobilien.lu/userfiles/files/rewokejuxaresowolegukuxoz.pdfIn PDF document text
  • http://citescolairedeledit.com/include/file/nituxilofefoposuxu.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c627b53ed---kemawovedagezuzareboxu.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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