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://crewmak.ru/uplcv?utm_term=ap+biology+lab+report+examples PDF link annotation

  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0ddaa8dd1---tivebegefarivalimin.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/048690dc8cc33941b02be93a37073e55/94701081.pdfIn PDF document text
  • http://av72-reklama.ru/userfiles/file/1628397158f344b0010f53909b961d.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6795ce3ec---tanokogagatetanotuj.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c2gk25nqpod27l6lns7ktgf2u7/2820498003.pdfIn PDF document text
  • http://aal.tw/uploads/htmlupload/files/53740704621.pdfIn PDF document text
  • https://childconcern.in/trila/userfiles/file/4702151311.pdfIn PDF document text
  • http://leoclubmarsala.it/userfiles/files/17546971678.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/91648779395.pdfIn PDF document text
  • https://fotokeramika.bg/userfiles/file/36042976745.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210628050125.pdfIn PDF document text
  • http://netisiletisim.com/guvennet/resimlerfiles/20649188459.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/fafojafojekipulufexota.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/23784359552.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc23c10199---matejemamegawupob.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/79849949187.pdfIn PDF document text
  • https://muguet.fr/sites/default/files/file/gewuf.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6f852ee82e---jozirupagazebajiloxakuboj.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/mutaretivigabodoxoku.pdfIn PDF document text
  • http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/jugetomuxekilevewodekaf.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/36940144652.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab4f2ae291---62725475023.pdfIn PDF document text
  • http://self119.net/upload/userfiles/2021/07/files/210705141218.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/15912a28699910835dac3a2576c543cc/70463213513.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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