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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://crewmak.ru/uplcv?utm_term=movies+released+in+2016+in+theaters PDF link annotation

  • http://ideal-site.ru/userfiles/file/43502843532.pdfIn PDF document text
  • http://bsp-plovdiv.org/ckfinder/userfiles/files/bamupezefolo.pdfIn PDF document text
  • http://poliinc.com/upload/files/fotog.pdfIn PDF document text
  • https://kanat.com/upload/ckfinder/files/59351674609.pdfIn PDF document text
  • http://warwick-ems.org/userfiles/file/kekojodijepabufuwopope.pdfIn PDF document text
  • https://grafconsulting.pl/Upload/file/wubenilogoza.pdfIn PDF document text
  • http://indigobaby.eu/upload/files/zuridanasa.pdfIn PDF document text
  • http://rilta.net/userfiles/files/panoluzut.pdfIn PDF document text
  • http://eventologia.com/userfiles/files/56166482730.pdfIn PDF document text
  • https://insinkerator.us/images/uploaded/file/tafavuled.pdfIn PDF document text
  • http://viquadro.com/userfiles/files/14375660463.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb2d190b21---62031848925.pdfIn PDF document text
  • http://csc-0898.com/userfiles/file/20210909222738_8epwt8.pdfIn PDF document text
  • http://sadiqandsons.com/userfiles/files/xefakegusogokejafogadu.pdfIn PDF document text
  • https://questyme.com/userfiles/file/wasumujuwoveluduf.pdfIn PDF document text
  • https://fitness-sport.it/userfiles/file/14422111577.pdfIn PDF document text
  • http://ultrarelaxedcbd.com/newerac2c/userfiles/file/pomofigapapagizumajanana.pdfIn PDF document text
  • http://ephtour.com/FileData/ckfinder/files/20210914_E27F2B196DE4FB89.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/9fc8506b8364dad569fc865a3d240395/25753353084.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/i16s18jekelr0mo8ndjssn4m3p/758634667.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/c7c1b80753f1670926942294924fc8ee/28340290144.pdfIn PDF document text
  • http://qdcmd.com/data/files/25528149851.pdfIn PDF document text
  • http://ateliergermain.org/sites/default/files/file/68129914621.pdfIn PDF document text
  • http://siripanyalamphun.com/user_img/files/sudedolupexagebomikenowe.pdfIn PDF document text
  • http://ateliergermain.orgIn macro / runtime command snippet
  • 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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