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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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 http://automsystem.com/UploadFile/file/20210719034328147.pdf In PDF document text

  • http://debden.org/userfiles/file/sadujedilosafuzujajewub.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/c1e33944154fcdf1776e65503d708f53/razajizavaneveviwusoni.pdfIn PDF document text
  • http://righetti1970.com/clients/872956/File/9431234717.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/winugijuxalusatadizufegiz.pdfIn PDF document text
  • http://slenderclub.cz/ckfinder/userfiles/files/ziwuguzemikev.pdfIn PDF document text
  • http://www.cda.org.hk/ckfinder/userfiles/files/90787213593.pdfIn PDF document text
  • http://word.mn/uploads/assets/womomodo.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/s6tc7jf26l8188s6kh0bkf1us6/dolirogo.pdfIn PDF document text
  • https://guruamardaspublicschool.com/userfiles/files/jekevosafusagubisuzawenuj.pdfIn PDF document text
  • https://oklogistic.lv/upload/file/42350363945.pdfIn PDF document text
  • http://35ju.21tg.cn/uploadfile/ckeditor/files/51035827331.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/c90bu9olgb5ucu1ihlprk0dutq/41595547740.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160966f71b3e18---wepozux.pdfIn PDF document text
  • https://daotaolaixesontay.com/uploads/file/lobatidumibapulefodasik.pdfIn PDF document text
  • http://studiosiriosrl.it/userfiles/files/32459783996.pdfIn PDF document text
  • http://qdcmd.com/data/files/vedofudawuzitipipir.pdfIn PDF document text
  • https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/fejitakaduluxunoj.pdfIn PDF document text
  • https://europacreativaeuskadi.eu/files/galeria/files/vilotalepasamasemixasim.pdfIn macro / runtime command snippet
  • http://myucpb.net/userfiles/file/21322261729.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/53397160511.pdfIn PDF document text
  • http://119hero.kr/userData/board/file/togodanekodejaw.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ca6e89493c9---75638992556.pdfIn PDF document text
  • https://www.wsbe1In macro / runtime command snippet
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=streptococcus+anginosus+tratamiento+pdfPDF 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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