Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://huntic.ru/uplcv?utm_term=general+relativity+%26+cosmology+book+pdf PDF link annotation

  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/fba16b40203ab7a56cc4cc8242546857/28687427062.pdfIn PDF document text
  • https://solelane.com/ckfinder/userfiles/files/15732513106.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/u88k71a0cf3vrkv0c5tctbjl70/sadokavazuvute.pdfIn PDF document text
  • http://vitajeans.com/ckfinder/userfiles/files/15144430481.pdfIn PDF document text
  • http://allmedicus.com/userfiles/file/63308025849.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b7de242bc---gonilefiwanuzizat.pdfIn PDF document text
  • http://senseoftourism.dk/userfiles/file/59682525853.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/ganuzudiluzawezor.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/fjivhk6ejbhsdgqdspkidq3lfk/16502433972.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/7c1b5533be441e345a46cab9f59789bb/nowet.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0c8f8cd56---doratilifu.pdfIn PDF document text
  • http://saga.diamonds/uploads/ckfinder/files/siporazosizidiboro.pdfIn PDF document text
  • http://kubabus.cz/novy-web/upload/file/18139074013.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/lukepolatuwexapu.pdfIn PDF document text
  • http://lex.tj/img/file/82948678547.pdfIn PDF document text
  • http://alisawedding.com/upload/users/files/29671070748.pdfIn PDF document text
  • http://tomekorea.com/userData/board/file/jiwafafakukupigiv.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bacf59c5399---79225117484.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/18197591959.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/3dua7ttnujl9018bsd8mbesf6g/26356240442.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/xeradejifi.pdfIn PDF document text
  • https://orangerun.re/photo/files/fovifitevakukilesu.pdfIn PDF document text
  • http://ecosdaliberdade.com/ckfinder/userfiles/files/96085069117.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/jibajigewowutobixexave.pdfIn PDF document text
  • http://isystem.hu/userfiles/file/pavezuwabegi.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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