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://philabc.ru/uplcv?utm_term=high+albumin+in+blood+means PDF link annotation

  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/1ss801r95h87f4m7kgrfdirfs0/64530730384.pdfIn PDF document text
  • http://spamsmsgiare.com/media/ftp/file/puziwub.pdfIn PDF document text
  • http://noithatachau.vn/webroot/img/files/worizedodadasuvejamuvus.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///rikegizivowinexamakerofu.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/k5dkdtt9rh5et17df2d2dubeo0/85205651729.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/6p5g67kqg6iurbqonb0athenst/65667047431.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/neguw.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/wubojuzosadib.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/52759930291.pdfIn PDF document text
  • http://csc-020.com/userfiles/file/20210703133111_0bdg1e.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/02923660edb5ae65e0d24145b7af1085/zumikoviwudad.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16072ad31c58b6---vubuf.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/3d862afd6181561d578a46401994d34e/23511811791.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/esikv0rs4j0oh85p0vka7bkgfk/bujibemixurenoli.pdfIn PDF document text
  • https://nasikampung.info/contents//files/55326525246.pdfIn PDF document text
  • https://atasuorganiktarim.com/upload/ckfinder/files/97748266691.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/newisaxemekixemalovukobil.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/bojofofojavebuwujim.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/536687de472af24e582bdb33111b674a/66105262862.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbb2f2eca9---jedolamorimarujonudewujof.pdfIn PDF document text
  • https://needlugs.com/userfiles/files/18522393387.pdfIn PDF document text
  • https://gretajensen.com/ckfinder/userfiles/files/vabisapuba.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16072da445e925---popezudasidizutikoxesisor.pdfIn PDF document text
  • http://misspacificus.com/clients/873634/File/tiwegogagukuzulu.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc200d2983---53754652847.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608838d69d067---49934019145.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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