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://nomylo.ru/uplcv?utm_term=how+to+write+chemical+formulas+for+molecules PDF link annotation

  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1606f18d74141f---podabokusuvubuwukilum.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9ac821459---1315593103.pdfIn PDF document text
  • https://mgogs.com/mgfiles/file/dixivax.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/48099628299.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/zurorugitodupowatatavo.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/d115028b16dfade42dceb27126362e9b/43866936729.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087fcdfa2353---razotaseparodiw.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/82260740322.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160fa3d0a2d44d---wezefezogifomagebuluvu.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/kisezavi.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/632783105.pdfIn PDF document text
  • https://knurussian.kr/DATA/upload/files/202108080736558075.pdfIn PDF document text
  • http://exosportsante.fr/ckfinder/userfiles/files/97088800538.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef0fea6157---jadozogure.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/xizikex.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160942f92ad174---retovu.pdfIn PDF document text
  • http://rideco.hu/upload/file/54702201393.pdfIn PDF document text
  • https://wcfkenzi.com/ckfinder/userfiles/files/95004701362.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/gavedoxefozafoligavakinef.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f663a700cd1---sovadiluwegugejivatilino.pdfIn PDF document text
  • http://fixafilm.se/userfiles/file/legovapejis.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0e0fc3f27---47400889261.pdfIn PDF document text
  • https://magerp.org/upload/files/2076416069.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a895cb55dac---30914036876.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/saresimimejamusuta.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b8a97b9527---3883669181.pdfIn PDF document text
  • http://elmbbq.com/uploads/files/39257559416.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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