Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://byocamacho.com/ckfinder/userfiles/files/80091073300.pdf In PDF document text

  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137cef799d0d---mijabadimer.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f197a4cc7c---68781494714.pdfIn PDF document text
  • https://concertwristband.com/resimler/files/vedetobamebif.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161301c1896b4c---kulavokiwuzedet.pdfIn PDF document text
  • http://mimarkamilozkartal.com/userfiles/files/439676075.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/jaliguzu.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c3417380a---newol.pdfIn PDF document text
  • http://obkladlazby.cz/userfiles/file/89127585120.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/gutilibovawuritosusig.pdfIn PDF document text
  • https://dacola.com/upload/files/buditodomimidotaladusar.pdfIn PDF document text
  • http://architettoseneca.com/userfiles/files/livolaxapow.pdfIn PDF document text
  • https://ises.smithpressautomation.com/phpsites/vertical_living/uploads/file/darabike.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc11e1324f---12711645161.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161382d9af1852---79906440217.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/vediliwotem.pdfIn PDF document text
  • http://sinostandards.net/upload/files/telebimizilofusigofap.pdfIn PDF document text
  • https://ihappywash.com/uploads/files/202109112251336988.pdfIn macro / runtime command snippet
  • https://kamarkosong.com/contents/files/6426863669.pdfIn macro / runtime command snippet
  • http://el-master.ru/userfiles/file/21238406079.pdfIn PDF document text
  • https://www.weboonline.com/ckfinder/userfiles/files/nabusubutabumufininus.pdfIn PDF document text
  • https://artgreen.vn/attachment/files/kerawogufofivonol.pdfIn PDF document text
  • http://apexnepaltravel.com/userfiles/file/1549320964.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/lirufufosoxexeweretov.pdfIn PDF document text
  • http://sinostandards.neIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=the+mountain+between+us+streaming+freePDF 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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