Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://huntic.ru/uplcv?utm_term=catchers+apk+mod PDF link annotation

  • https://g-mtcc.com/motakamel/Ups/files/25864922769.pdfIn PDF document text
  • http://travellightnepal.com/userfiles/file/59322759944.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/161413ac6587cb---96521754374.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161413f11c2e67---78375720451.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/kaposadap.pdfIn PDF document text
  • http://xutricolor.com/uploadfile/files/pitamu.pdfIn PDF document text
  • http://bouwbedrijfansing.nl/userfiles/file/wepudujamasilidano.pdfIn PDF document text
  • http://newbiesites.com/userfiles/file/sofobot.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/fowubobobor.pdfIn PDF document text
  • https://mobisteelegypt.net/userfiles/file/veguxek.pdfIn PDF document text
  • http://tylincms.com/userfiles/files/sibula.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/zirepogigokazafutugerak.pdfIn PDF document text
  • https://littleedupark.com/ckfinder/userfiles/files/todelabesonoxaxa.pdfIn PDF document text
  • https://newegys.egyseg.eu/ckfinder/userfiles/files/sutetiwalofixenidesobelu.pdfIn macro / runtime command snippet
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/bikajirazesalojapovex.pdfIn PDF document text
  • http://tayles.com/uploaded/kapagofimotaturesupisoko.pdfIn PDF document text
  • https://matricula.arendic.cl/files/44051831661.pdfIn PDF document text
  • https://tutorsbureau.net/userfiles/file/37111133832.pdfIn PDF document text
  • https://bloomlight.pl/_bloom/file/xarur.pdfIn PDF document text
  • http://gelateriacool.it/userfiles/files/30110518543.pdfIn PDF document text
  • http://rbtyutj01.com/userfiles/files/sesifajesabepopunuwi.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161450719c3923---61357809042.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/wajizenijujonufib.pdfIn PDF document text
  • http://rrbrentacars.com/files/others/89764173275.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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