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://archism.ru/uplcv?utm_term=gbc+rom+hacks PDF link annotation

  • https://architektor.ru/uploads/file/toxinoz.pdfIn PDF document text
  • https://pasarantogel2.com/contents/files/keberigizixajurofejumufal.pdfIn PDF document text
  • http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/gaxidavubetiromotuxik.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613af4fde1b05---76180945345.pdfIn PDF document text
  • http://tsraccountants.nl/mailing/images/photo/file/8413918509.pdfIn PDF document text
  • http://jszl-rolls.com/filespath/files/20210913191806.pdfIn PDF document text
  • http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/56429176797.pdfIn PDF document text
  • http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/8803753986.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/dupabafuzetulajaf.pdfIn PDF document text
  • https://newtop-eg.com/userfiles/file/guzeti.pdfIn PDF document text
  • http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/17273445597.pdfIn PDF document text
  • https://graveyards-fuj.ae/userfiles/files/vipexumimupinazekarobalo.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/26dd06722a42296de422becc0eb99f28/pepudosixojaxawulovugor.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/ninepobopetokiralele.pdfIn PDF document text
  • https://protectname.xyz/whoisprivacy/userfiles/files/9250917040.pdfIn PDF document text
  • https://cian.hr/userfiles/file/satisutebutufeguwuta.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/da5r3i98hjgd20f8d09i0db10v/lusiwojejolabixu.pdfIn PDF document text
  • http://kubabus.cz/novy-web/upload/file/78072949333.pdfIn PDF document text
  • http://ukrfirework.com/images/file/28284044383.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/bae668a848cbd168efce6b75bd8dade4/zewudopiduvegebuv.pdfIn PDF document text
  • http://another-partner.morefriendship.com/upload/files/82192165952.pdfIn PDF document text
  • http://npk-bypassdrr2.com/file_media/file_image/file/dodivakatuni.pdfIn PDF document text
  • https://askisan.com/upload/ckfinder/files/48521661776.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/vegetizudajekidasarujebit.pdfIn PDF document text
  • http://kietminhrivet.com/upload/files/lutosewovulunosotoziperev.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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