Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://huntic.ru/uplcv?utm_term=c2+phrasal+verbs+pdf PDF link annotation

  • https://pui-vital.ro/msg_media/file/gixul.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/161407347f11fa---77945391401.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/lolazagasixa.pdfIn PDF document text
  • http://sporteambiente.it/ckfinder/userfiles/files/xejel.pdfIn PDF document text
  • http://hizirferforje.com/admin/fckeditor/editor/images/file/26020058452.pdfIn PDF document text
  • http://fvv-hohenfelde.de/sites/default/files/files/48011704491.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/630e02a932e86456c0b6867667fdd26a/5514468009.pdfIn PDF document text
  • https://cissud.eu/uploads/ck_editor/files/9015469500.pdfIn PDF document text
  • https://khogiaydantuonghanquoc.com/images/news/file/dewawipavopalari.pdfIn PDF document text
  • https://worldmedglobal.com/userfiles/files/56306447137.pdfIn PDF document text
  • https://thebottombillion.org/business_school/uploads/file/xiforu.pdfIn PDF document text
  • http://spamsmsgiare.com/media/ftp/file/kanemumafuvo.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140372f49d5f---83341923326.pdfIn PDF document text
  • https://aecvfcom.nrgence.com/upload/userfiles/files/61247960711.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16146cb731d664---jusepavodoxep.pdfIn PDF document text
  • https://ontogepszerviz.hu/editor_up/61983959449.pdfIn PDF document text
  • https://mhreng.com/userfiles/file/rewuzofonumaro.pdfIn PDF document text
  • https://preprodpcb.com/userfiles/files/78747156998.pdfIn PDF document text
  • https://camelcarpet.org/d/files/78350177999.pdfIn PDF document text
  • http://tasteofruraleurope.eu/upload/File/sorelivavizelem.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/5d6666fac4c53303420add42cbdb484a/sowesupamavuxokotofogaj.pdfIn PDF document text
  • https://kotata-zlin.cz/obr/clanky/file/tarevudo.pdfIn PDF document text
  • http://zhongguohuachun.com/d/files/52040149140.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1615247bcebf34---jomoxofimejifuful.pdfIn PDF document text
  • http://kidneytracker.com/ckfinder/userfiles/files/masiwopimadi.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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