Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=pes+2017+apk+mod PDF link annotation

  • http://pitin-akutsu.com/js/upload/files/xemiponiferekivafifizugo.pdfIn PDF document text
  • https://laptopserwis.com/app/webroot/media/files/80442077772.pdfIn PDF document text
  • https://hgindustrial.eu/userfiles/files/61544699952.pdfIn PDF document text
  • http://cualuoiskydoor.com/webroot/img/files/51996200348.pdfIn PDF document text
  • http://iphysiology.ru/upload/69252583958.pdfIn PDF document text
  • https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/95691177862.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/tekafaju.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161422a3221826---kopuvubeverikaporimix.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/1fedv98u1qjbun983rklo76va2/91611400628.pdfIn PDF document text
  • https://bitree.ru/ckfinder/userfiles/files/96608834364.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jrk03lq31do1abg2cugbv2i7i0/mebasabuxusov.pdfIn PDF document text
  • https://snf.styleguides.ch/userfiles/files/63249233390.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/sonezabipetawiligegafaxi.pdfIn PDF document text
  • https://kenkochaya.com/user_data/ckfinder/files/53704489802.pdfIn PDF document text
  • http://www.samuitns.com/image/upload/File/mosiwipunojanunedaku.pdfIn PDF document text
  • http://ebbers-schilderwerken.nl/uploads/files/93751360297.pdfIn PDF document text
  • https://limsurdua.com/contents/files/38899653660.pdfIn PDF document text
  • http://ahjygjg.com/upload_fck/file/2021-9-11/20210911143442506031.pdfIn PDF document text
  • https://marathonblainville.com/userfiles/files/72194968997.pdfIn PDF document text
  • http://velo.hu/UserFiles/file/9072862548.pdfIn PDF document text
  • http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rexumemegawuvojigages.pdfIn PDF document text
  • https://khoahoc.timviec365.com/picturesfiles/tulokasuwenir.pdfIn PDF document text
  • http://3e-machinery.ru/app/webroot/filesfiles/19744949330.pdfIn PDF document text
  • http://creptiles.dk/userfiles/file/jizuramojikam.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f76c09ca20---sufedogewe.pdfIn PDF document text
  • https://sofahatinh.com/upload/files/94910179023.pdfIn PDF document text
  • https://deltarents.com/upload/ckfinder/files/wedimigudowuxepiwupozobo.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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