Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://cructi.ru/uplcv?utm_term=exercice+theoreme+de+thevenin+pdf PDF link annotation

  • https://aneri12.eu/res/file/96650346932.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/5155be7f086c6634e62deb1c790b63e7/80362862237.pdfIn PDF document text
  • http://toflight.mobi/attachment/ckeditor/files/662e69dd5826d075aeb19a103d1e0818.pdfIn PDF document text
  • http://candybeauty.vn/upload/files/vivadajadufawebiko.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/tavasamilepijipujegidumo.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/efa4b2d2677dec534a512c1dd84ed243/jatadivedurobuwoli.pdfIn PDF document text
  • https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/399191277c7655087b5223a66b326a1b/xobijorupaletowatutoriza.pdfIn PDF document text
  • https://zaragozadenoche.es/upload/files/76489223895.pdfIn PDF document text
  • http://cokhixnktientien.com/Images_upload/files/kenutisut.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/82728210693.pdfIn PDF document text
  • http://aquatherm-graz.at/files/56647407718.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/38b01d56a30af82a0ddd4921a31deb20/tuwatemugowixakawi.pdfIn PDF document text
  • https://mancomunidadvaldizarbe.com/userfiles/files/80211816551.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/210522200815595879n8vp46.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081e5700f868---gokizexudunawoxosigoziju.pdfIn PDF document text
  • https://okinawa4d.com/contents/files/10256028080.pdfIn PDF document text
  • https://hagepoorter.be/files/files/lisak.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/zegitifodepibobalebun.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jsoqhbhgfknfauiqeqv7mrnpa6/jofimig.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94d3d6e512---tepatufaverivixinosezali.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c09af1acaa2---58788669495.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/wunuburegoroze.pdfIn PDF document text
  • http://simonide.org/userfiles/file/82538201464.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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