Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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 http://mkpstroitel.ru/upload/files/xasutewogowaz.pdf In PDF document text

  • http://mueblesdepladur.es/1/userfiles/file/buzijutabatuf.pdfIn PDF document text
  • http://blossomtour.net/FileData/ckfinder/files/20210910_809675C930EE7BE8.pdfIn PDF document text
  • http://mya1fc.com/files/ckuploads/files/tinavadekopesujojamo.pdfIn PDF document text
  • http://daisytalavera.com/userfiles/files/kelukafimokowofik.pdfIn PDF document text
  • http://congtrinhnhaviet.vn/upload/files/43530761398.pdfIn PDF document text
  • http://cana.vn/uploads/userfiles/file/22995981948.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/0fsnr24v908m5fm8slhhm3dm11/56432088704.pdfIn PDF document text
  • https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/vezinodo.pdfIn PDF document text
  • http://jlsxjy.com/right/UploadFile/file///2021090319505873499.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/68376582518.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/17872050913.pdfIn PDF document text
  • http://vladjurnalist.ru/archive/file/63439104246.pdfIn PDF document text
  • https://ximangcampha.vn/upload/files/10225955526.pdfIn PDF document text
  • http://kunmobile.vn/files/uploaded/20210904/file/25280235030.pdfIn PDF document text
  • http://onsijsselstein.nl/userfiles/files/subatesirawomibapud.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/u20ptq9t8quojtr1mbrg2hhoc2/likipebipagisara.pdfIn PDF document text
  • https://waxparadise.pl/userfiles/file/80582255495.pdfIn PDF document text
  • https://otterdisplay.com/userfiles/file/23374915246.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/2ca97a78b06fc2e8bdf77df4a413afd1/vokabumelujemitodovag.pdfIn PDF document text
  • http://zoldjogsi.hu/uploads/files/sunuzusogute.pdfIn PDF document text
  • https://thehideawayresortpattaya.com/userfiles/files/xuxirevewibodanuf.pdfIn PDF document text
  • https://askisan.daynexdemo.tk/upload/files/21504877863.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/cc8eddb406104845b7e55d6defd6b299/14777174144.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=download+good+ringtones+for+androidPDF link annotation
  • 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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