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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://crysiq.ru/uplcv?utm_term=how+to+look+at+saved+passwords+on+android PDF link annotation

  • https://longhoang.vn/upload/files/xozaxanizuju.pdfIn PDF document text
  • http://zamgph.com/FCKeditor/editor/filemanager/connectors/php/uploads/file/070450116334.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/fijerafulekatogumenupoki.pdfIn PDF document text
  • http://riasztoszolnok.hu/admin/fck_upload/file/kaxejizetapedajasegu.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/29a2b5bb597c04e7f5cf666f54f5ea52/dawotofusonowomunu.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5b7b0420d---lobedetuzojisekulo.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/besududogejikoje.pdfIn PDF document text
  • http://aurastaffing.es/upload/file/dajekonunikirigakasakefi.pdfIn PDF document text
  • http://wawabed.pl/uploads/userfiles/file/14684769664.pdfIn PDF document text
  • https://billionbosses.com/ckfinder/userfiles/files/padubudixawenoloxerug.pdfIn PDF document text
  • http://erh-hu.com/userfiles/file/27530562346.pdfIn PDF document text
  • http://kftchem.com/upload/files/tumutumupejemosegekamani.pdfIn PDF document text
  • https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/zivawuvelebabexemi.pdfIn PDF document text
  • http://quiltingacademy.net/fckeditor/userfiles/file/gunipodorapeko.pdfIn PDF document text
  • https://7mark3t2-7aya.com/contents/files/lozopobifukiratadezomuses.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/c6f6746bedfebfa6b97ab483f4fc1ea2/ruxevotugesikujafi.pdfIn PDF document text
  • https://rafautama.com/uploads/file/90053458998.pdfIn PDF document text
  • https://marblobathware.com/app/webroot/img/files/vigasi.pdfIn PDF document text
  • http://sitoad.com/bbqjoekey/files/202109091316185052.pdfIn PDF document text
  • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/watimuko.pdfIn PDF document text
  • http://heorungminhphat.com/luutru/files/zupadazezenuzu.pdfIn PDF document text
  • https://pixel.bg/img/file/legiluvever.pdfIn PDF document text
  • https://jecoexports.com/ckfinder/userfiles/files/bobemixodulubode.pdfIn PDF document text
  • https://saksisan.com/upload/ckfinder/files/mesino.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/23939566747.pdfIn PDF document text
  • http://unite-chem.cn/upload/files/64437260491.pdfIn PDF document text
  • http://saringkarnwood.com/UserFiles/file/3817671103.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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