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://queure.ru/uplcv?utm_term=dumper+wifi+apk PDF link annotation

  • http://malagi.pl/user-files/fck/file/15349426638.pdfIn PDF document text
  • https://rrr71.ru/upload_picture/kikusavafujakodazamavo.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/caea7uj4r33umno7bej6559e2r/ropakod.pdfIn PDF document text
  • https://xn--psg-9lac.hu/files/files/xatovabiligimaj.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/roxezu.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/192aec0510f2e5277dc95bcb92625d06/regupelagon.pdfIn PDF document text
  • http://cancunday.com/travela/img/files/zaboxo.pdfIn PDF document text
  • http://ytovietnam.net/ckfinder/userfiles/files/kanixarivinagapitof.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6dabac036---wekikofa.pdfIn PDF document text
  • http://gaia-onlus.org/userfiles/file/37085456276.pdfIn PDF document text
  • http://juha.be/_files/file/24374493438.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386e8111750---32786600684.pdfIn PDF document text
  • http://idolyokocho.com/js/ckfinder/userfiles/files/warev.pdfIn PDF document text
  • https://ijaetis.org/ckfinder/userfiles/files/81503373929.pdfIn PDF document text
  • http://www.oteliapelsin.ru/ckfinder/userfiles/files/rukalodetufasapiturij.pdfIn PDF document text
  • http://cedule-plachty.cz/files/file/2689773896.pdfIn PDF document text
  • https://duvarkagidierzincan.com/userfiles/file/57107429513.pdfIn PDF document text
  • http://dongduong.net/Images_upload/files/gasulegejatomaki.pdfIn PDF document text
  • http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/36477836628.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/e2eb91eae3e06654e382c3587d71a2d9/6489495823.pdfIn PDF document text
  • https://thebottombillion.org/business_school/uploads/file/14624967648.pdfIn PDF document text
  • https://aodaixuan.vn/app/webroot/upload/image/files/93938687347.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/bugefi.pdfIn PDF document text
  • https://dienmayminhchau.vn/uploads/news_file/sazoraliragoleperulu.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/646fcaf7f581c5928930b1a2a1711d0a/lusipipamonu.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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