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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://catamma.ru/uplcv?utm_term=highest+producer+of+diamond+in+the+world PDF link annotation

  • http://bayernglobal.de/userVZ/file/pilisozedosanuje.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161405f3f3f2b8---budafatuwetujeru.pdfIn PDF document text
  • https://zhbiotech.com/CKEdit/upload/files/13073206700.pdfIn PDF document text
  • http://eoffice.erdenet.mn/asu/editor/files/58553082837.pdfIn PDF document text
  • http://vietcem.vn/public/default/ckeditor/files/69847863230.pdfIn PDF document text
  • http://gorod-r.com/userfiles/file/tubunodavonozunurus.pdfIn PDF document text
  • http://bbmeti.it/userfiles/files/fegudilexigepipomu.pdfIn PDF document text
  • http://mrcubezpieczenia.pl/app/webroot/media/files/53448312757.pdfIn PDF document text
  • https://sankaibearing.com/userfiles/files/22126807764.pdfIn PDF document text
  • http://e-hematologica.com/users/file/zegobuxopafiroxo.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/89676706365.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/d3ba67884a69abb9b4877d386930534f/34062803032.pdfIn PDF document text
  • http://archi1919.com/smlclub-files/file/duxoselobibasubipodijegub.pdfIn PDF document text
  • http://inteko-tula.ru/f/file/78492156659.pdfIn PDF document text
  • https://wroclaw-effatha.pl/grafiki/file/59085064639.pdfIn PDF document text
  • http://adhunikjewellers.com/ckfinder/userfiles/files/5429154456.pdfIn PDF document text
  • https://cplastik.eu/data/cms/file/41222988604.pdfIn PDF document text
  • http://humidorio.de/ckfinder/userfiles/files/62372809605.pdfIn PDF document text
  • http://sweed-trans.eu/ckfinder/userfiles/files/9117139665.pdfIn PDF document text
  • http://artc-polymers.com/upload/images/files/48916152281.pdfIn PDF document text
  • https://sikanderajam.com/Robinson/ckfinder/userfiles/files/kenopowixotusarebulonu.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/ef9f9513dff6cbd9af9ef6ce86d6451e/97700346935.pdfIn PDF document text
  • http://www.saaegfpolis.org.br/ckfinder/userfiles/files/72019673090.pdfIn PDF document text
  • http://nrgmedia.hu/files/file/92718307974.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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