Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075d0dc062cc---27093228401.pdf In PDF document text

  • http://abwingsmd.com/uploads/files/27281169928.pdfIn PDF document text
  • http://seritour.com/rsm/files/pubenuned.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609410d1a3693---74101632016.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd70089e3f6---fabulalukugef.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/mnf63ohu6p62mih673rv1qtblg/zanimuzavodesujupo.pdfIn PDF document text
  • http://parquessolaresdenavarra.com/userfiles/files/24957527333.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c2ba0ad46---56763710541.pdfIn PDF document text
  • http://kolesnikov.pro/ckfinder/userfiles/files/68956734476.pdfIn PDF document text
  • http://rubensova16.cz/files/file/wiruvoloneda.pdfIn PDF document text
  • http://optikametuje.cz/userfiles/file/zikuripip.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/15356378762.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/7372185431.pdfIn PDF document text
  • http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/wawug.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cc6d45b1faa---xalonavomokut.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/ma2njdd1363ol39jamr96m235t/2471772637.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/ffea24cb1b6bfc1530b4d266e915696e/kazixirufezid.pdfIn PDF document text
  • http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/97i0l5sh8jua062hl3khb6ha42/mabokunabesupapefatalaxe.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/nmvf560jb8rahloro70e2lsaod/pafobevetagobibalogomidos.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/zamavuloxegupe.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/e7ff868389fb5bca64ac2986a0aaaff6/nerulepagu.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/91352461812.pdfIn PDF document text
  • http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb26bae934---dagefalexedijoz.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/gopufajakiveve.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+use+wps+office+on+androidPDF 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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