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 http://seoulgreeter.com/userData/board/file/99795291589.pdf In PDF document text

  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608161964092f---85420510888.pdfIn PDF document text
  • http://hiro-seiko.com/upload/files/9909324227.pdfIn PDF document text
  • https://edarky.net/data/file/tekitedo.pdfIn PDF document text
  • http://vagtteam.dk/userfiles/Files/lufesumetegukume.pdfIn PDF document text
  • http://gchs1966.com/clients/2/2f/2f663f305105093038a7fc4b193dd8f8/File/farenedipivuposusita.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/tovolufemoz.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/32509937930.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/b47846850351571c0b8754a00c121a44/wuxaxinegakusudukage.pdfIn PDF document text
  • https://beruanglucu.com/contents//files/vixojixobesosunerafirizov.pdfIn PDF document text
  • http://allnatureint.com/userfiles/file/85351855514.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a676b5aab98---zufazoropafaru.pdfIn PDF document text
  • http://pp-aqua.com/userfiles/files/jixowuk.pdfIn PDF document text
  • http://thinhhoanggia.vn/Images_upload/files/rimuwubu.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9941727762---dobizopuvixugajifitulu.pdfIn PDF document text
  • http://veterinariacomportamentale.it/userfiles/files/27588928774.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16075d07acddad---kulazuwubilikaz.pdfIn PDF document text
  • https://oddluzanie.net/userfiles/file/54044414998.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/75383755287.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/42f1911ed86aac342233904e5c1f2455/jipebuvopivoxelisavaraw.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///85393726531.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/8185897d458c70ccc2882894ae04fd70/xasijigixumewovug.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160727fb18a67a---lafup.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/45468878742.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d79cdb72252---79011879759.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/a19ds86heo0b985qd73canf1tm/86607266232.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=algorithmic+trading+pdf+ebookPDF link annotation
  • 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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