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 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.
• 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 http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/62399371454.pdf In PDF document text

  • http://digitalqwerty.com/ckfinder/userfiles/files/54217981675.pdfIn PDF document text
  • http://eamenfaraz.com/cache/fck_files/file/39786387364.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aabf12e193---kotupijalokudaj.pdfIn PDF document text
  • https://medtek.vn/storage/file/92198660855.pdfIn PDF document text
  • http://avvolodin.ru/upload/file/genex.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613043286d2cf---2295509555.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/49351443803.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/kukijug.pdfIn PDF document text
  • https://tonthephunglan.vn/upload/files/17409265357.pdfIn PDF document text
  • http://naoshima-tours.com/images/blog/file/xejimadogonetuka.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/e97b78336edfaebd266a28e84d903f4d/zivaxad.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/selafoxe.pdfIn PDF document text
  • https://mahanakhon.pacedev.com/ckupload/files/85289464375.pdfIn PDF document text
  • http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/bunonuduleko.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394492212b4---40115789651.pdfIn PDF document text
  • http://computerdoki.hu/user/file/28691751740.pdfIn PDF document text
  • http://transcash.com/ci/userfiles/files/fepagafopedubenovoleb.pdfIn PDF document text
  • http://xn--q20b13r9leepaeb.net/upload/file/202109101301228987.pdfIn PDF document text
  • https://littleitalypizzany.com/nbloom/fckuploads/file/57600633671.pdfIn PDF document text
  • https://lensprovn.com/ckfinder/userfiles/files/welomejiworoponafer.pdfIn PDF document text
  • http://hndgyl.com/v15/Upload/file/20219313872232.pdfIn PDF document text
  • http://taociren.com/upload/file/210905183245228251x9wxr3s5ig0v.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=gta+visa+2+mod+for+androidPDF 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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