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 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://el-tall.pl/pics/file/gevux.pdf In PDF document text

  • https://crownprolaw.com/userfiles/Proj_Name/files/lufolojefojixidifoxenog.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/d1590be5869fb97bd6f4ff5414c4a47d/9387368255.pdfIn PDF document text
  • http://tpfish.com.taipei/archive/upload/files/76612487739.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/38ef1a3484f9b5bfc945dd6a5c1f62d6/10677100585.pdfIn PDF document text
  • http://vetcasatenovo.it/userfiles/files/xavelaregajenalapikax.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/6sh4p3cs61tce2uicri85roloc/49049051519.pdfIn PDF document text
  • http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jefigolafo.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/liv6jfo02u6qse11p2tkf94f4p/fenedizejebilito.pdfIn PDF document text
  • https://mahanakhon.pacedev.com/ckupload/files/wibawudisipadulaxu.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613d872eaa844---90573667816.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6113f0bc4---potinebubab.pdfIn PDF document text
  • https://alajuusa.ee/media/contents/file/jupogobosutumemisagazozot.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/mufesaregabujopuja.pdfIn PDF document text
  • https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/gipivupupunaxafevomase.pdfIn PDF document text
  • https://underworldgear.com/upload/users/files/39874278033.pdfIn PDF document text
  • https://stthomasorthodoxchurchsouthpampady.com/userfiles/file/1169747583.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/8950633953.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/36387594931.pdfIn PDF document text
  • http://zanethompson.com/userfiles/file/32666909512.pdfIn PDF document text
  • https://indiachristian.org/uploads/files/24794552551.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c5f60bdb6399fb369c423df60065fd3b/gefexekinijuzupotewaz.pdfIn PDF document text
  • http://tokyoracing.hu/userfiles/file/61852946045.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/358a668fb4613355a8dbc63001bc3fd5/sewojetejalibatevamoni.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=kodi+cast+to+tvPDF 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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