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://cructi.ru/uplcv?utm_term=how+do+you+screenshot+on+a+samsung+galaxy+s7 PDF link annotation

  • http://zhhyhb.com/uploadfiles/files/daperodowu.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/0e68fd659438deb235af74db3e2d2969/85897565719.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/dakevupoboxa.pdfIn PDF document text
  • https://synersys.fr/contenu/file/21169894094.pdfIn PDF document text
  • http://farmaciacogliate.it/userfiles/files/rumosilukoviju.pdfIn PDF document text
  • https://muzeumkonstancina.pl/attachments/file/51882624603.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/kuzokad.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/93fb66078de8182d83f4c3e6be0e257f/11265116767.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2150cbbed---97881274091.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/75789602734.pdfIn PDF document text
  • https://pushtypathshala.com/demo/aims/files/images/files/desevagemogakolu.pdfIn PDF document text
  • http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84035170200.pdfIn PDF document text
  • http://tugrabilgisayar.net/resimler/files/fizatumekadoxixofigogipex.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161317bfe94478---98850223329.pdfIn PDF document text
  • https://gdaniec.com/upload/files/gikinozosuwepeze.pdfIn PDF document text
  • http://jpsacademy.com/slbdavbatala/userfiles/file/femaroroduserumifuwediku.pdfIn PDF document text
  • https://defrokatilai.lt/images/files/zamogukadavuzuwexutobomem.pdfIn PDF document text
  • https://vanchuyenduongsat.vn/upload/files/kugagitumabiveza.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/wopadi.pdfIn PDF document text
  • https://www.weboonline.com/ckfinder/userfiles/files/58995060386.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/89334560836.pdfIn PDF document text
  • https://cafepiolho.com/uploads/assets/patukoborukegakekevev.pdfIn PDF document text
  • https://bio-obst-und-gemuese.de/userfiles/file/zadasejiwijepogir.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/otoditoxa.pdfIn PDF document text
  • https://epagneuls-bretons.fr/caningest/images/file/40353522041.pdfIn PDF document text
  • http://yonseri.org/userfiles/files/88417772819.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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