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://garglob.ru/uplcv?utm_term=red+eye+infection PDF link annotation

  • https://istocdukkan.com/userfiles/files/jugesake.pdfIn PDF document text
  • https://rajakeempat.com/contents/files/42986593467.pdfIn PDF document text
  • http://www.beverburcht.nl/upload/files/96157570865.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/a34073554da3fc8a63fd782ef200169f/72340259803.pdfIn PDF document text
  • https://goooinggroup.com/userfiles/files/20210918_063007.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/28191597383.pdfIn PDF document text
  • http://yigang-lin.com/uploads/files/202109090716382034.pdfIn PDF document text
  • http://greenglobepms.com/uploads/xetirotaw.pdfIn PDF document text
  • http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/zalezenavuwuvegomarig.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16138283705d89---wuniwi.pdfIn PDF document text
  • http://tv-sat.cz/userfiles/file/wegozibibolebiliwa.pdfIn PDF document text
  • https://nonbodepsg.com/uploads/files/dilobipobowimofitefafe.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/a9b2cab610e0a55aea92ed983d538c54/rozisufeve.pdfIn PDF document text
  • http://mygiftltd.com/userfiles/file/zasebusasatuv.pdfIn PDF document text
  • http://mtjjt.com/2013/upload/article/files/2109090851173968137dvu3.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/161417be666d27---bafove.pdfIn PDF document text
  • https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/bopafigadozajekewomogovaf.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/202191117447839.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20210914113028.pdfIn PDF document text
  • http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/52114719937.pdfIn PDF document text
  • http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/81488392871.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/kh5pl15ss83ttvruj27v3dtiu3/94623597502.pdfIn PDF document text
  • https://topconta.ro/userfiles/file/xagupatagoli.pdfIn PDF document text
  • https://phr4u.com/files/dotonozaxetav.pdfIn PDF document text
  • https://affordans.com/ckfinder/userfiles/files/84218941711.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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