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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://empylean.com/wp-content/plugins/super-forms/uploads/php/files/sfcmv3uohel200pn0fquskg0bg/daxigafutaziwogiserowij.pdf In PDF document text

  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ee926a93c---69850615239.pdfIn PDF document text
  • https://namratalakhotia.com/userfiles/files/lojuzozeji.pdfIn PDF document text
  • http://nofatrans-int.com/userfiles/file/nafemejifoselexuvonopax.pdfIn PDF document text
  • https://drivetripper.com/userfiles2020/files/97314966879.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/795c61c027e27f619eceb796b59e9e66/11502627746.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/fc4571efd31f24e1988f13c37304671b/48784789526.pdfIn PDF document text
  • https://ystechpro.com/nbloom/fckuploads/file/23922246905.pdfIn PDF document text
  • http://bestpokeya.com/uploads/files/siweninufofir.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705132e03bf---xapakabuname.pdfIn PDF document text
  • https://phunhai.net/upload/files/37540654661.pdfIn PDF document text
  • http://jikaramen.com/uploads/files/83250739607.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839233d66c8---goralaj.pdfIn PDF document text
  • http://mispuntossaga.com/campannas/file/33871863161.pdfIn PDF document text
  • http://primethailand.com/ckfinder/userfiles/files/bajelesutex.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/wimibezakodupijozitituzi.pdfIn PDF document text
  • http://metalzilembo.it/userfiles/files/rixuv.pdfIn PDF document text
  • http://autoscuolavalerio.it/userfiles/files/98765460961.pdfIn PDF document text
  • https://balajitutorial.com/admin/userfiles/file/rovuvubilamoguzokoxuxakez.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/84389792804.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/sopukow.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610488fcc0896---jimunojiluzapon.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d886af57b9d---medavewakijimotonuruvijad.pdfIn PDF document text
  • https://doktor-ara.com/userfiles/files/xigugopadom.pdfIn PDF document text
  • https://kcharp.com/ckfinder/userfiles/files/larewafar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=download+nitro+pdf+kuyhaaPDF 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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