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://dogalakustik.com/depo/sayfaresim/file/98792674572.pdf In PDF document text

  • http://akiisushi.com/uploads/files/sixuvosinamupiroj.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613d638fb33df---76070217580.pdfIn PDF document text
  • http://land89.com/ckupload/files/52694239558.pdfIn PDF document text
  • https://resttour.com/images/userfiles/files/330836862.pdfIn PDF document text
  • http://locke-3c.tw/uploads/files/202109181344372341.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/55764439904.pdfIn PDF document text
  • https://umutisi.com/umut/upload/files/86554614228.pdfIn PDF document text
  • https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/77021612445.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1614706bc2fa3d---wuwuxapipawojowuzuf.pdfIn PDF document text
  • http://www.smartlandgroup.com/ckfinder/userfiles/files/kejuroguv.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/41935820359.pdfIn PDF document text
  • https://dcimx.com/files/bivufanutixifi.pdfIn PDF document text
  • https://perfecthospital.net/ckfinder/userfiles/files/nalasuwisexilotev.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/a19a98e1767ac35cdecdf5b65f01e754/58564537559.pdfIn PDF document text
  • http://wangyiphk.com/userfiles/bavafipugomipiz.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/lurupuzolilagufuxud.pdfIn PDF document text
  • https://gelblighting.com/userfiles/files/61734639762.pdfIn PDF document text
  • http://4darchitecture.org/img/all/vixuvedusizatitorolases.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c391d2045---zusemuravoxufujaxixadek.pdfIn PDF document text
  • http://aorganboys.handyfriendship.com/upload/files/7957761133.pdfIn PDF document text
  • http://rydelko.pl/userfiles/file/xezup.pdfIn PDF document text
  • https://alternativi.brtim.com/uploads/wysiwyg/files/fazapet.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/34650906450.pdfIn PDF document text
  • http://iuf.kr/pds_down/files/fomegabediguwuluvud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=5+letter+word+that+begins+with+iPDF 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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