Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://catamma.ru/uplcv?utm_term=introduction+to+microwave+remote+sensing+iain+woodhouse+pdf PDF link annotation

  • https://charterboatdeliverance.com/uploads/files/ludiwazokoxidil.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/s1j6sga9smat64gi9hdvg54o40/41772428372.pdfIn PDF document text
  • http://nnhs1964.com/clients/a/a2/a2d7b74ded15306de89ee4bbe2f7ed3f/File/kuxurulo.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/bogul.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/25502576159.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210819_131539.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/28gcsimldl6479t2av0j46prj1/furumibelijezuguf.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/377b4ece97bf75e172318619bf600bf8/wotutojepiforabarezara.pdfIn PDF document text
  • http://kapalishakti.com/ckfinder/userfiles/files/15599510599.pdfIn PDF document text
  • http://ketnoikienthuc.com/upload/files/gexuvuruvinojemodo.pdfIn PDF document text
  • https://tort-art.ru/userfiles/file/55407373660.pdfIn PDF document text
  • http://aescantabria.es/upload/fckeditor/file///gamibalafaviwupiku.pdfIn PDF document text
  • http://yachtandgulet.com/userfiles/file/99452034024.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfd96716002---vipezapijaxegiro.pdfIn PDF document text
  • http://xn--80aab8aioy.xn--p1ai/userfiles/file/38117192798.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5da8a1c85---52753226112.pdfIn PDF document text
  • https://trungtammatnamviet.vn/upload/files/84581488748.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/33q70oleu9ha6v5d15v300iplr/52970479795.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/fotenawojoridibixuzuj.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8a2a88ea4---80487054138.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aa016da381dcc84525251dbe0a120aa2/38544837908.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/vapikafabegivipudigetef.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d3e37d27ddd5ccb80b07386c929712ed/pixal.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161267ccfca6d9---fabem.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/74598106796.pdfIn PDF document text
  • https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/kijagefuxaxifagowos.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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