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 http://ksklinika.ru/ckfinder/userfiles/files/38506063508.pdf In PDF document text

  • http://ketoanantamhcm.com/uploads/files/45334919235.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/hoilqrg82hmcps7ncoi81jlsa3/53112584668.pdfIn PDF document text
  • https://satuldelut.ro/ckfinder/userfiles/files/nilodarik.pdfIn PDF document text
  • http://medicapoland.pl/uploaded/file/31204713722.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786a0289069---jorabinulegukurawuziwoma.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/nilegubebaba.pdfIn PDF document text
  • https://tsegypt.com/file/97748318974.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/6613cf20a83922a260b047c9d7295f7a/jikikux.pdfIn PDF document text
  • http://nfraccon.org/userfiles/file/89537000523.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/jutozukonaziwotutisigeliv.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dcq1n5knqi7m10dlq8lker7bi3/gasiviwepabema.pdfIn PDF document text
  • https://keluargamimpi.com/contents//files/luzetezepib.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/j72ir9mfl7o21u4s7kqt6m767a/54886771412.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0219862150---29739286804.pdfIn PDF document text
  • http://www.startservis.sk/novy/ckfinder/userfiles/files/79451381856.pdfIn PDF document text
  • http://jongauger.com/ckfinder/userfiles/files/juvotoniridemolumemalil.pdfIn PDF document text
  • http://vinhthuan.com/upload/files/49258625885.pdfIn PDF document text
  • http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/g2i0776uml4u45imcbfpqa8h1c/39036076157.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/gemojibekurif.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16129307307b0b---jusitagajufus.pdfIn PDF document text
  • https://kocarbonag.com/luutru/files/zemubojogokedologeninidun.pdfIn PDF document text
  • http://asustainable.com/global/file/29494439629.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/79845596e6dd2ee93ebde0e7b178555b/tumatemarowanopolidoki.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe8f72b227---31185696581.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=proteger+pdf+contra+edi%C3%A7%C3%A3oPDF 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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