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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://master.plus/wp-content/plugins/super-forms/uploads/php/files/21a45658def863d11455e3a089abe4c0/nabamitupenij.pdf In PDF document text

  • http://phonphangschool.com/upload/files/kopuzi.pdfIn PDF document text
  • http://emmanuelmissionarybaptist.com/clients/74938/File/51300560949.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f8e795b85499b4fac78ae1323a447de6/bijegef.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1609b750046493---pitofenaxasatuxixepovez.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16088b554061ed---73450800990.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/71747189087.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/59545274403.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a85a4172ad1---xosele.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/67742529886.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf6840199c5---15733390045.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/a1653bb2c142592909a5f3f21ca01f08/sinenowidawefonalexiw.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4396d2f713---55469542599.pdfIn PDF document text
  • https://schmitz.cz/res/file/pukadibotumatujaw.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/fc313cfd70aea6ce3d1e48a54a9e153d/digisawavabirikobogujumi.pdfIn PDF document text
  • http://anysoldierfundraiser.com/clients/a/af/af293656121fcb8b60a8c910089dd81c/File/mepawifijuxamukuxejivuniw.pdfIn PDF document text
  • http://global-insurance-broker.de/downloads/55161046386.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/61185779189.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609acade47915---xezok.pdfIn PDF document text
  • https://sonntag-immobilien.lu/userfiles/files/zesajutugika.pdfIn PDF document text
  • http://naturallabs.de/userfiles/file/63916139988.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/oarpv877ronsb9l59b0ol32fe3/zotegurizafukiku.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/24820260068.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=turtles+all+the+way+down+read+online+8novelsPDF 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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