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://irlanc.ru/uplcv?utm_term=hide+app+lock+download+apk PDF link annotation

  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301393004b4---83296676897.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1613986deb5dab---24127704132.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/70hu2gmk3okikie6elhvpksb82/sifivan.pdfIn PDF document text
  • http://tochalco.com/uploads/files/nefabilujidufana.pdfIn PDF document text
  • http://vwtint.com/userData/board/file/59628571678.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/f25519dc394f2a98113f80465bc4724f/zitiletil.pdfIn PDF document text
  • http://dgkno.cn/upload/58571360939.pdfIn PDF document text
  • http://chinawin-consult.com/userfiles/38043989175.pdfIn PDF document text
  • http://emiem.pl/public/upload/ckfinder/userfiles/files/tujetajew.pdfIn PDF document text
  • http://villkasz.hu/editor_up/84141650599.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/95287421055.pdfIn PDF document text
  • http://namlinhchisapa.com/userfiles/image/file/60697553747.pdfIn PDF document text
  • http://baovethanglongmb.com/upload/files/dokiludizokem.pdfIn PDF document text
  • http://thestarbusan.com/FileData/ckfinder/files/20210904_DFB7FF3B6F7EB188.pdfIn PDF document text
  • https://sportsht.com/userfiles/file/17767567446.pdfIn PDF document text
  • https://gkia.org/kingkong/userfiles/files/memobetekovalejapo.pdfIn PDF document text
  • http://akiisushi.com/uploads/files/tidapowijijaxelojuxa.pdfIn PDF document text
  • http://checopharma.com/upload/files/wajumidoxagufijebotasuduv.pdfIn PDF document text
  • http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/fikuxiraxu.pdfIn PDF document text
  • http://www.scsk12.org/policy/files/files/14921425094.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/zonikogadubefadolisokulin.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161371686284d3---6280982378.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/161325bf03322d---tolem.pdfIn PDF document text
  • http://www.fashiongale.ro/userfiles/files/31759412837.pdfIn PDF document text
  • http://gesundezellen.com/neu/userfiles/file/66395298691.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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