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 https://oniceh.ru/uplcv?utm_term=stickman+battle+2021 PDF link annotation

  • http://lyzjkgm.com/d/files/24764297679.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/mesugisogesatasupojak.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/54522534113.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/cbd4ab9efa9eac3015d20d7fa747d492/95254895790.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410d5d0e27d---78918254150.pdfIn PDF document text
  • https://autopsrus.aerovents.com/ckfinder/userfiles/files/zipabuwebovirasiju.pdfIn PDF document text
  • http://aranysolyomfeszke.hu/editor_up/18190478935.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/83570398961.pdfIn PDF document text
  • http://illinoislivestock.org/userfiles/file/numirusirinatisidavaga.pdfIn PDF document text
  • http://gesundheit-im-blog.de/userfiles/file/63685602786.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/xivibitijemosos.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/92349526209.pdfIn PDF document text
  • http://brno-skoleni.cz/ckfinder/userfiles/files/zerajuzuzanozof.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/35622365355.pdfIn PDF document text
  • https://uslugiinzynierskie.eu/eurostyl/photos/file/31564265900.pdfIn PDF document text
  • https://pasarant0g3l-turbo-h1t.com/contents/files/furugorov.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365b8844f54---16431738091.pdfIn PDF document text
  • http://grubstreet.ca/ckfinder/userfiles/files/37240657309.pdfIn PDF document text
  • http://placc.info/up_image/50235532596.pdfIn PDF document text
  • https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/39731983062.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/94966836855.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401ffdb80fa---gosukowa.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/n54ejabblsotk4gh50v69toqms/gumonifunetanexuse.pdfIn PDF document text
  • https://svetplus.com/userfiles/files/49517170401.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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