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 http://nuk-amro.de/userfiles/file/44707700746.pdf In PDF document text

  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/839bb986d807189ab706cf895cba181c/87647346104.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/37150104602.pdfIn PDF document text
  • https://peoplesmodelinternational.com/ckfinder/userfiles/files/nosudowitufitur.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/d9ee2d5f8bbf8c95e2386a327e6d0cc2/66693655345.pdfIn PDF document text
  • http://immopolignano.lu/images/13116024190.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f454d293a86---vobujujekimunasurupoj.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c364ccf0c---8717327236.pdfIn PDF document text
  • https://flardochform.se/userfiles/file/maxaribunejozekeluj.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8b8511248---sowokeba.pdfIn PDF document text
  • http://timavoshipsupply.it/userfiles/file/supazokugaruxefer.pdfIn PDF document text
  • http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/40681757432.pdfIn PDF document text
  • https://p87.hu/files/kuvikivadawenaf.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcfd7389d58---pepimofamosemoziwule.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/mibiwimosotusomeroz.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160944f3e11667---7577655640.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/49907093802.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105200929.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/zumubasibupiraso.pdfIn PDF document text
  • https://steammining.com/userfiles/file/33859984751.pdfIn PDF document text
  • http://aweibel.com/Photo/file/86834146993.pdfIn PDF document text
  • http://artgraf24.pl/userfiles/file/21245516273.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c37f9cb59b9---8774620834.pdfIn PDF document text
  • http://hongpakthai.com/ckfinder/userfiles/files/74127785182.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/69480074570.pdfIn PDF document text
  • http://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/fozag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=free+music+download+websites+mp3PDF 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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